111120101012 has 24 divisors (see below), whose sum is σ = 196422025800. Its totient is φ = 55000446336.

The previous prime is 111120100969. The next prime is 111120101023. The reversal of 111120101012 is 210101021111.

It can be written as a sum of positive squares in 4 ways, for example, as 16395265936 + 94724835076 = 128044^2 + 307774^2 .

It is a junction number, because it is equal to n+sod(n) for n = 111120100984 and 111120101002.

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, 368618 + ... + 598430.

It is an arithmetic number, because the mean of its divisors is an integer number (8184251075).

Almost surely, 2^111120101012 is an apocalyptic number.

It is an amenable number.

111120101012 is a deficient number, since it is larger than the sum of its proper divisors (85301924788).

111120101012 is a wasteful number, since it uses less digits than its factorization.

111120101012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231035 (or 231033 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 111120101012 its reverse (210101021111), we get a palindrome (321221122123).

The spelling of 111120101012 in words is "one hundred eleven billion, one hundred twenty million, one hundred one thousand, twelve".