111220101120122 has 16 divisors (see below), whose sum is σ = 175613515711200. Its totient is φ = 52682356874160.

The previous prime is 111220101120109. The next prime is 111220101120137. The reversal of 111220101120122 is 221021101022111.

It is a self number, because there is not a number n which added to its sum of digits gives 111220101120122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21188672 + ... + 25911387.

It is an arithmetic number, because the mean of its divisors is an integer number (10975844731950).

Almost surely, 2^{111220101120122} is an apocalyptic number.

111220101120122 is a deficient number, since it is larger than the sum of its proper divisors (64393414591078).

111220101120122 is a wasteful number, since it uses less digits than its factorization.

111220101120122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47162221.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 111220101120122 its reverse (221021101022111), we get a palindrome (332241202142233).

The spelling of 111220101120122 in words is "one hundred eleven trillion, two hundred twenty billion, one hundred one million, one hundred twenty thousand, one hundred twenty-two".