220111202020122 has 80 divisors (see below), whose sum is σ = 563848894213440. Its totient is φ = 62869068801792.

The previous prime is 220111202020117. The next prime is 220111202020139. The reversal of 220111202020122 is 221020202111022.

It is a happy number.

220111202020122 is a `hidden beast` number, since 220 + 1 + 1 + 120 + 202 + 0 + 122 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 220111202020095 and 220111202020104.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 27031408 + ... + 34218699.

It is an arithmetic number, because the mean of its divisors is an integer number (7048111177668).

Almost surely, 2^{220111202020122} is an apocalyptic number.

220111202020122 is an abundant number, since it is smaller than the sum of its proper divisors (343737692193318).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220111202020122 is a wasteful number, since it uses less digits than its factorization.

220111202020122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61253297 (or 61253288 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 220111202020122 its reverse (221020202111022), we get a palindrome (441131404131144).

The spelling of 220111202020122 in words is "two hundred twenty trillion, one hundred eleven billion, two hundred two million, twenty thousand, one hundred twenty-two".