111112010122 has 4 divisors (see below), whose sum is σ = 166668015186. Its totient is φ = 55556005060.

The previous prime is 111112010117. The next prime is 111112010153. The reversal of 111112010122 is 221010211111.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 76994595441 + 34117414681 = 277479^2 + 184709^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27778002529 + ... + 27778002532.

Almost surely, 2^111112010122 is an apocalyptic number.

111112010122 is a deficient number, since it is larger than the sum of its proper divisors (55556005064).

111112010122 is an equidigital number, since it uses as much as digits as its factorization.

111112010122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55556005063.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 111112010122 its reverse (221010211111), we get a palindrome (332122221233).

The spelling of 111112010122 in words is "one hundred eleven billion, one hundred twelve million, ten thousand, one hundred twenty-two".