220121020323319 has 4 divisors (see below), whose sum is σ = 220123414049760. Its totient is φ = 220118626596880.

The previous prime is 220121020323317. The next prime is 220121020323349. The reversal of 220121020323319 is 913323020121022.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 220121020323319 - 2¹ = 220121020323317 is a prime.

It is a super-2 number, since 2×220121020323319² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220121020323317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1196725279 + ... + 1196909200.

It is an arithmetic number, because the mean of its divisors is an integer number (55030853512440).

Almost surely, 2^{220121020323319} is an apocalyptic number.

220121020323319 is a deficient number, since it is larger than the sum of its proper divisors (2393726441).

220121020323319 is an equidigital number, since it uses as much as digits as its factorization.

220121020323319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2393726440.

The product of its (nonzero) digits is 7776, while the sum is 31.

The spelling of 220121020323319 in words is "two hundred twenty trillion, one hundred twenty-one billion, twenty million, three hundred twenty-three thousand, three hundred nineteen".