22124034122521 has 12 divisors (see below), whose sum is σ = 23502240174592. Its totient is φ = 20822409016128.

The previous prime is 22124034122513. The next prime is 22124034122537. The reversal of 22124034122521 is 12522143042122.

It is not a de Polignac number, because 22124034122521 - 2³ = 22124034122513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22124034522521) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33130696 + ... + 33791878.

Almost surely, 2^{22124034122521} is an apocalyptic number.

It is an amenable number.

22124034122521 is a deficient number, since it is larger than the sum of its proper divisors (1378206052071).

22124034122521 is a wasteful number, since it uses less digits than its factorization.

22124034122521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 777000 (or 776983 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 31.

Adding to 22124034122521 its reverse (12522143042122), we get a palindrome (34646177164643).

The spelling of 22124034122521 in words is "twenty-two trillion, one hundred twenty-four billion, thirty-four million, one hundred twenty-two thousand, five hundred twenty-one".