100522125217 has 4 divisors (see below), whose sum is σ = 100577941636. Its totient is φ = 100466308800.

The previous prime is 100522125199. The next prime is 100522125227. The reversal of 100522125217 is 712521225001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 712521225001 = 89107 ⋅7996243.

It can be written as a sum of positive squares in 2 ways, for example, as 25382543761 + 75139581456 = 159319^2 + 274116^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100522125217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100522125227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27905508 + ... + 27909109.

It is an arithmetic number, because the mean of its divisors is an integer number (25144485409).

Almost surely, 2^100522125217 is an apocalyptic number.

It is an amenable number.

100522125217 is a deficient number, since it is larger than the sum of its proper divisors (55816419).

100522125217 is an equidigital number, since it uses as much as digits as its factorization.

100522125217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55816418.

The product of its (nonzero) digits is 2800, while the sum is 28.

The spelling of 100522125217 in words is "one hundred billion, five hundred twenty-two million, one hundred twenty-five thousand, two hundred seventeen".