220111001012122 has 48 divisors (see below), whose sum is σ = 368849219272128. Its totient is φ = 97698135675840.

The previous prime is 220111001012087. The next prime is 220111001012207. The reversal of 220111001012122 is 221210100111022.

It is a junction number, because it is equal to n+sod(n) for n = 220111001012096 and 220111001012105.

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, 155212923 + ... + 156624625.

It is an arithmetic number, because the mean of its divisors is an integer number (7684358734836).

Almost surely, 2^{220111001012122} is an apocalyptic number.

220111001012122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

220111001012122 is a deficient number, since it is larger than the sum of its proper divisors (148738218260006).

220111001012122 is a wasteful number, since it uses less digits than its factorization.

220111001012122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1415635 (or 1415592 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 220111001012122 its reverse (221210100111022), we get a palindrome (441321101123144).

The spelling of 220111001012122 in words is "two hundred twenty trillion, one hundred eleven billion, one million, twelve thousand, one hundred twenty-two".