22021423402130 has 16 divisors (see below), whose sum is σ = 39811656285720. Its totient is φ = 8770103991552.

The previous prime is 22021423402123. The next prime is 22021423402183. The reversal of 22021423402130 is 3120432412022.

It can be written as a sum of positive squares in 4 ways, for example, as 16997966333881 + 5023457068249 = 4122859^2 + 2241307^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22021423402130.

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, 4808168759 + ... + 4808173338.

Almost surely, 2^{22021423402130} is an apocalyptic number.

22021423402130 is a deficient number, since it is larger than the sum of its proper divisors (17790232883590).

22021423402130 is a wasteful number, since it uses less digits than its factorization.

22021423402130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9616342333.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 22021423402130 its reverse (3120432412022), we get a palindrome (25141855814152).

The spelling of 22021423402130 in words is "twenty-two trillion, twenty-one billion, four hundred twenty-three million, four hundred two thousand, one hundred thirty".