220221100000122 has 32 divisors (see below), whose sum is σ = 474362523790848. Its totient is φ = 67754602095936.

The previous prime is 220221100000079. The next prime is 220221100000141. The reversal of 220221100000122 is 221000001122022.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118580298 + ... + 120423125.

It is an arithmetic number, because the mean of its divisors is an integer number (14823828868464).

Almost surely, 2^{220221100000122} is an apocalyptic number.

220221100000122 is an abundant number, since it is smaller than the sum of its proper divisors (254141423790726).

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

220221100000122 is a wasteful number, since it uses less digits than its factorization.

220221100000122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239015254.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 220221100000122 its reverse (221000001122022), we get a palindrome (441221101122144).

The spelling of 220221100000122 in words is "two hundred twenty trillion, two hundred twenty-one billion, one hundred million, one hundred twenty-two", and thus it is an aban number.