220121121022 has 32 divisors (see below), whose sum is σ = 371770611840. Its totient is φ = 96891120480.

The previous prime is 220121120981. The next prime is 220121121041.

It is a happy number.

220121121022 is nontrivially palindromic in base 10.

220121121022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 220121120987 and 220121121005.

It is a congruent number.

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, 1178593 + ... + 1352524.

It is an arithmetic number, because the mean of its divisors is an integer number (11617831620).

Almost surely, 2^220121121022 is an apocalyptic number.

220121121022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

220121121022 is a deficient number, since it is larger than the sum of its proper divisors (151649490818).

220121121022 is a wasteful number, since it uses less digits than its factorization.

220121121022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2531256.

The product of its (nonzero) digits is 64, while the sum is 16.

It can be divided in two parts, 220121 and 121022, that added together give a palindrome (341143).

The spelling of 220121121022 in words is "two hundred twenty billion, one hundred twenty-one million, one hundred twenty-one thousand, twenty-two".