111210202022122 has 32 divisors (see below), whose sum is σ = 190687419331200. Its totient is φ = 47651176447488.

The previous prime is 111210202022113. The next prime is 111210202022221. The reversal of 111210202022122 is 221220202012111.

It is a self number, because there is not a number n which added to its sum of digits gives 111210202022122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2222712018 + ... + 2222762050.

It is an arithmetic number, because the mean of its divisors is an integer number (5958981854100).

Almost surely, 2^{111210202022122} is an apocalyptic number.

111210202022122 is a deficient number, since it is larger than the sum of its proper divisors (79477217309078).

111210202022122 is a wasteful number, since it uses less digits than its factorization.

111210202022122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81310.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 111210202022122 its reverse (221220202012111), we get a palindrome (332430404034233).

The spelling of 111210202022122 in words is "one hundred eleven trillion, two hundred ten billion, two hundred two million, twenty-two thousand, one hundred twenty-two".