220221221112122 has 64 divisors (see below), whose sum is σ = 339254886297600. Its totient is φ = 107173674404160.

The previous prime is 220221221112119. The next prime is 220221221112157. The reversal of 220221221112122 is 221211122122022.

It is a super-2 number, since 2×220221221112122² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7323360347 + ... + 7323390417.

It is an arithmetic number, because the mean of its divisors is an integer number (5300857598400).

Almost surely, 2^{220221221112122} is an apocalyptic number.

220221221112122 is a deficient number, since it is larger than the sum of its proper divisors (119033665185478).

220221221112122 is a wasteful number, since it uses less digits than its factorization.

220221221112122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31451.

The product of its (nonzero) digits is 512, while the sum is 23.

Adding to 220221221112122 its reverse (221211122122022), we get a palindrome (441432343234144).

The spelling of 220221221112122 in words is "two hundred twenty trillion, two hundred twenty-one billion, two hundred twenty-one million, one hundred twelve thousand, one hundred twenty-two".