100000111122 has 48 divisors (see below), whose sum is σ = 222564625920. Its totient is φ = 32426368416.

The previous prime is 100000111061. The next prime is 100000111151. The reversal of 100000111122 is 221111000001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4720029 + ... + 4741167.

It is an arithmetic number, because the mean of its divisors is an integer number (4636763040).

Almost surely, 2^100000111122 is an apocalyptic number.

100000111122 is an abundant number, since it is smaller than the sum of its proper divisors (122564514798).

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

100000111122 is a wasteful number, since it uses less digits than its factorization.

100000111122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28287 (or 28284 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 100000111122 its reverse (221111000001), we get a palindrome (321111111123).

The spelling of 100000111122 in words is "one hundred billion, one hundred eleven thousand, one hundred twenty-two".