220121022220022 has 64 divisors (see below), whose sum is σ = 416952659773440. Its totient is φ = 84658189824000.

The previous prime is 220121022219821. The next prime is 220121022220027. The reversal of 220121022220022 is 220022220121022.

It is a junction number, because it is equal to n+sod(n) for n = 220121022219976 and 220121022220003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220121022220027) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56524658 + ... + 60293274.

It is an arithmetic number, because the mean of its divisors is an integer number (6514885308960).

Almost surely, 2^{220121022220022} is an apocalyptic number.

220121022220022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

220121022220022 is a deficient number, since it is larger than the sum of its proper divisors (196831637553418).

220121022220022 is a wasteful number, since it uses less digits than its factorization.

220121022220022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3773517.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 220121022220022 its reverse (220022220121022), we get a palindrome (440143242341044).

The spelling of 220121022220022 in words is "two hundred twenty trillion, one hundred twenty-one billion, twenty-two million, two hundred twenty thousand, twenty-two".