111522100052 has 48 divisors (see below), whose sum is σ = 216209710080. Its totient is φ = 49906111200.

The previous prime is 111522099991. The next prime is 111522100093. The reversal of 111522100052 is 250001225111.

It is a junction number, because it is equal to n+sod(n) for n = 111522099997 and 111522100033.

It is a congruent number.

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, 5505599 + ... + 5525817.

It is an arithmetic number, because the mean of its divisors is an integer number (4504368960).

Almost surely, 2^111522100052 is an apocalyptic number.

It is an amenable number.

111522100052 is a deficient number, since it is larger than the sum of its proper divisors (104687610028).

111522100052 is a wasteful number, since it uses less digits than its factorization.

111522100052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22172 (or 22170 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 20.

Adding to 111522100052 its reverse (250001225111), we get a palindrome (361523325163).

The spelling of 111522100052 in words is "one hundred eleven billion, five hundred twenty-two million, one hundred thousand, fifty-two".