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212101010111120 = 245131910733856787
BaseRepresentation
bin110000001110011110011101…
…010111010011101010010000
31000210222122210002001110120112
4300032132131113103222100
5210300030332042023440
62031033505304500452
762450535520161104
oct6016363527235220
91023878702043515
10212101010111120
1161644595822729
121b95671b17a728
139147068828690
143a53a5a883904
15197c379c26965
hexc0e79d5d3a90

212101010111120 has 80 divisors (see below), whose sum is σ = 559019261519040. Its totient is φ = 74192418104832.

The previous prime is 212101010111093. The next prime is 212101010111173. The reversal of 212101010111120 is 21111010101212.

212101010111120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 212101010111095 and 212101010111104.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5366908634 + ... + 5366948153.

It is an arithmetic number, because the mean of its divisors is an integer number (6987740768988).

Almost surely, 2212101010111120 is an apocalyptic number.

212101010111120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212101010111120 is an abundant number, since it is smaller than the sum of its proper divisors (346918251407920).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212101010111120 is a wasteful number, since it uses less digits than its factorization.

212101010111120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10733856832 (or 10733856826 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 212101010111120 its reverse (21111010101212), we get a palindrome (233212020212332).

The spelling of 212101010111120 in words is "two hundred twelve trillion, one hundred one billion, ten million, one hundred eleven thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 13 16 19 20 26 38 40 52 65 76 80 95 104 130 152 190 208 247 260 304 380 494 520 760 988 1040 1235 1520 1976 2470 3952 4940 9880 19760 10733856787 21467713574 42935427148 53669283935 85870854296 107338567870 139540138231 171741708592 203943278953 214677135740 279080276462 407886557906 429354271480 558160552924 697700691155 815773115812 858708542960 1019716394765 1116321105848 1395401382310 1631546231624 2039432789530 2232642211696 2651262626389 2790802764620 3263092463248 4078865579060 5302525252778 5581605529240 8157731158120 10605050505556 11163211058480 13256313131945 16315462316240 21210101011112 26512626263890 42420202022224 53025252527780 106050505055560 212101010111120