522120121021222 has 16 divisors (see below), whose sum is σ = 872894319974640. Its totient is φ = 232771818659328.

The previous prime is 522120121021183. The next prime is 522120121021231. The reversal of 522120121021222 is 222120121021225.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 404117740083 + ... + 404117741374.

It is an arithmetic number, because the mean of its divisors is an integer number (54555894998415).

Almost surely, 2^{522120121021222} is an apocalyptic number.

522120121021222 is a deficient number, since it is larger than the sum of its proper divisors (350774198953418).

522120121021222 is a wasteful number, since it uses less digits than its factorization.

522120121021222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 808235481495.

The product of its (nonzero) digits is 1280, while the sum is 25.

Adding to 522120121021222 its reverse (222120121021225), we get a palindrome (744240242042447).

The spelling of 522120121021222 in words is "five hundred twenty-two trillion, one hundred twenty billion, one hundred twenty-one million, twenty-one thousand, two hundred twenty-two".