220122212011122 has 32 divisors (see below), whose sum is σ = 440503423113600. Its totient is φ = 73330908738048.

The previous prime is 220122212011111. The next prime is 220122212011193. The reversal of 220122212011122 is 221110212221022.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 194823528 + ... + 195950124.

It is an arithmetic number, because the mean of its divisors is an integer number (13765731972300).

Almost surely, 2^{220122212011122} is an apocalyptic number.

220122212011122 is an abundant number, since it is smaller than the sum of its proper divisors (220381211102478).

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

220122212011122 is a wasteful number, since it uses less digits than its factorization.

220122212011122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1145730.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 220122212011122 its reverse (221110212221022), we get a palindrome (441232424232144).

The spelling of 220122212011122 in words is "two hundred twenty trillion, one hundred twenty-two billion, two hundred twelve million, eleven thousand, one hundred twenty-two".