331220201220022 has 32 divisors (see below), whose sum is σ = 518701699676160. Its totient is φ = 158327156634240.

The previous prime is 331220201220019. The next prime is 331220201220053. The reversal of 331220201220022 is 220022102022133.

It is a junction number, because it is equal to n+sod(n) for n = 331220201219975 and 331220201220002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 752281179 + ... + 752721337.

It is an arithmetic number, because the mean of its divisors is an integer number (16209428114880).

Almost surely, 2^{331220201220022} is an apocalyptic number.

331220201220022 is a deficient number, since it is larger than the sum of its proper divisors (187481498456138).

331220201220022 is a wasteful number, since it uses less digits than its factorization.

331220201220022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448668.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 331220201220022 its reverse (220022102022133), we get a palindrome (551242303242155).

The spelling of 331220201220022 in words is "three hundred thirty-one trillion, two hundred twenty billion, two hundred one million, two hundred twenty thousand, twenty-two".