220121121121022 has 24 divisors (see below), whose sum is σ = 363515184946368. Its totient is φ = 99892891202720.

The previous prime is 220121121121001. The next prime is 220121121121037.

220121121121022 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 220121121120985 and 220121121121003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 736958798 + ... + 737257425.

It is an arithmetic number, because the mean of its divisors is an integer number (15146466039432).

Almost surely, 2^{220121121121022} is an apocalyptic number.

220121121121022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

220121121121022 is a deficient number, since it is larger than the sum of its proper divisors (143394063825346).

220121121121022 is a wasteful number, since it uses less digits than its factorization.

220121121121022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1474216864 (or 1474216853 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

The spelling of 220121121121022 in words is "two hundred twenty trillion, one hundred twenty-one billion, one hundred twenty-one million, one hundred twenty-one thousand, twenty-two".