111122202122 has 16 divisors (see below), whose sum is σ = 167132989440. Its totient is φ = 55411404528.

The previous prime is 111122202109. The next prime is 111122202127. The reversal of 111122202122 is 221202221111.

It is a self number, because there is not a number n which added to its sum of digits gives 111122202122.

It is not an unprimeable number, because it can be changed into a prime (111122202127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1085879 + ... + 1183797.

It is an arithmetic number, because the mean of its divisors is an integer number (10445811840).

Almost surely, 2^111122202122 is an apocalyptic number.

111122202122 is a deficient number, since it is larger than the sum of its proper divisors (56010787318).

111122202122 is an equidigital number, since it uses as much as digits as its factorization.

111122202122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99445.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 111122202122 its reverse (221202221111), we get a palindrome (332324423233).

The spelling of 111122202122 in words is "one hundred eleven billion, one hundred twenty-two million, two hundred two thousand, one hundred twenty-two".