21022222010122 has 32 divisors (see below), whose sum is σ = 32917571845632. Its totient is φ = 10050066453504.

The previous prime is 21022222010117. The next prime is 21022222010123. The reversal of 21022222010122 is 22101022222012.

It is a self number, because there is not a number n which added to its sum of digits gives 21022222010122.

It is not an unprimeable number, because it can be changed into a prime (21022222010123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2014968618 + ... + 2014979050.

It is an arithmetic number, because the mean of its divisors is an integer number (1028674120176).

Almost surely, 2^{21022222010122} is an apocalyptic number.

21022222010122 is a deficient number, since it is larger than the sum of its proper divisors (11895349835510).

21022222010122 is a wasteful number, since it uses less digits than its factorization.

21022222010122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23862.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 21022222010122 its reverse (22101022222012), we get a palindrome (43123244232134).

The spelling of 21022222010122 in words is "twenty-one trillion, twenty-two billion, two hundred twenty-two million, ten thousand, one hundred twenty-two".