220111122122122 has 48 divisors (see below), whose sum is σ = 419007259938240. Its totient is φ = 85753440225600.

The previous prime is 220111122122107. The next prime is 220111122122219. The reversal of 220111122122122 is 221221221111022.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 220111122122093 and 220111122122102.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17460222 + ... + 27296182.

It is an arithmetic number, because the mean of its divisors is an integer number (8729317915380).

Almost surely, 2^{220111122122122} is an apocalyptic number.

220111122122122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

220111122122122 is a deficient number, since it is larger than the sum of its proper divisors (198896137816118).

220111122122122 is a wasteful number, since it uses less digits than its factorization.

220111122122122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9856747 (or 9856740 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 22.

Adding to 220111122122122 its reverse (221221221111022), we get a palindrome (441332343233144).

The spelling of 220111122122122 in words is "two hundred twenty trillion, one hundred eleven billion, one hundred twenty-two million, one hundred twenty-two thousand, one hundred twenty-two".