111525616122 has 8 divisors (see below), whose sum is σ = 223051232256. Its totient is φ = 37175205372.

The previous prime is 111525616093. The next prime is 111525616127. The reversal of 111525616122 is 221616525111.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

111525616122 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (111525616127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9293801338 + ... + 9293801349.

It is an arithmetic number, because the mean of its divisors is an integer number (27881404032).

Almost surely, 2^111525616122 is an apocalyptic number.

111525616122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

111525616122 is a wasteful number, since it uses less digits than its factorization.

111525616122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18587602692.

The product of its digits is 7200, while the sum is 33.

The spelling of 111525616122 in words is "one hundred eleven billion, five hundred twenty-five million, six hundred sixteen thousand, one hundred twenty-two".