22125113350521 has 16 divisors (see below), whose sum is σ = 31235795198784. Its totient is φ = 13882272482304.

The previous prime is 22125113350493. The next prime is 22125113350531. The reversal of 22125113350521 is 12505331152122.

It is not a de Polignac number, because 22125113350521 - 2²³ = 22125104961913 is a prime.

It is a super-2 number, since 2×22125113350521² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22125113350531) 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, 2443041 + ... + 7086513.

It is an arithmetic number, because the mean of its divisors is an integer number (1952237199924).

Almost surely, 2^{22125113350521} is an apocalyptic number.

It is an amenable number.

22125113350521 is a deficient number, since it is larger than the sum of its proper divisors (9110681848263).

22125113350521 is a wasteful number, since it uses less digits than its factorization.

22125113350521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4736920.

The product of its (nonzero) digits is 18000, while the sum is 33.

The spelling of 22125113350521 in words is "twenty-two trillion, one hundred twenty-five billion, one hundred thirteen million, three hundred fifty thousand, five hundred twenty-one".