Search a number
-
+
2111101211120 = 245112398978649
BaseRepresentation
bin11110101110000111011…
…100000001000111110000
321110211010021101011000012
4132232013130001013300
5234042013402223440
64253454305314052
7305344025134406
oct36560734010760
97424107334005
102111101211120
11744349663130
122a118b635928
131240cac47295
147426c009476
1539dabae9e65
hex1eb877011f0

2111101211120 has 40 divisors (see below), whose sum is σ = 5354520346800. Its totient is φ = 767673167360.

The previous prime is 2111101211099. The next prime is 2111101211171. The reversal of 2111101211120 is 211121011112.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 2111101211095 and 2111101211104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1199488445 + ... + 1199490204.

It is an arithmetic number, because the mean of its divisors is an integer number (133863008670).

Almost surely, 22111101211120 is an apocalyptic number.

2111101211120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2111101211120 is an abundant number, since it is smaller than the sum of its proper divisors (3243419135680).

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

2111101211120 is a wasteful number, since it uses less digits than its factorization.

2111101211120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2398978673 (or 2398978667 counting only the distinct ones).

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

Adding to 2111101211120 its reverse (211121011112), we get a palindrome (2322222222232).

The spelling of 2111101211120 in words is "two trillion, one hundred eleven billion, one hundred one million, two hundred eleven thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 11 16 20 22 40 44 55 80 88 110 176 220 440 880 2398978649 4797957298 9595914596 11994893245 19191829192 23989786490 26388765139 38383658384 47979572980 52777530278 95959145960 105555060556 131943825695 191918291920 211110121112 263887651390 422220242224 527775302780 1055550605560 2111101211120