111220122020122 has 8 divisors (see below), whose sum is σ = 175610718979200. Its totient is φ = 52683215693724.

The previous prime is 111220122020087. The next prime is 111220122020131. The reversal of 111220122020122 is 221020221022111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 111220122020122.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1463422658122 + ... + 1463422658197.

It is an arithmetic number, because the mean of its divisors is an integer number (21951339872400).

Almost surely, 2^{111220122020122} is an apocalyptic number.

111220122020122 is a deficient number, since it is larger than the sum of its proper divisors (64390596959078).

111220122020122 is a wasteful number, since it uses less digits than its factorization.

111220122020122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2926845316340.

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

Adding to 111220122020122 its reverse (221020221022111), we get a palindrome (332240343042233).

The spelling of 111220122020122 in words is "one hundred eleven trillion, two hundred twenty billion, one hundred twenty-two million, twenty thousand, one hundred twenty-two".