Search a number
-
+
120112210010221 = 11132351357271597
BaseRepresentation
bin11011010011110111001101…
…100111000110000001101101
3120202021121121102201011101221
4123103313031213012001231
5111220404301230311341
61103242442034503341
734204551351425122
oct3323671547060155
9522247542634357
10120112210010221
11352a9336260750
121157a674134b51
1352036c0751620
142193667978749
15dd45da795ed1
hex6d3dcd9c606d

120112210010221 has 16 divisors (see below), whose sum is σ = 141170870147328. Its totient is φ = 100750590072000.

The previous prime is 120112210010201. The next prime is 120112210010237. The reversal of 120112210010221 is 122010012211021.

It is a de Polignac number, because none of the positive numbers 2k-120112210010221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120112210010195 and 120112210010204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120112210010201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 178299606 + ... + 178971991.

It is an arithmetic number, because the mean of its divisors is an integer number (8823179384208).

Almost surely, 2120112210010221 is an apocalyptic number.

120112210010221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120112210010221 is a deficient number, since it is larger than the sum of its proper divisors (21058660137107).

120112210010221 is a wasteful number, since it uses less digits than its factorization.

120112210010221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357273972.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 120112210010221 its reverse (122010012211021), we get a palindrome (242122222221242).

The spelling of 120112210010221 in words is "one hundred twenty trillion, one hundred twelve billion, two hundred ten million, ten thousand, two hundred twenty-one".

Divisors: 1 11 13 143 2351 25861 30563 336193 357271597 3929987567 4644530761 51089838371 839945524547 9239400770017 10919291819111 120112210010221