100522120525 has 12 divisors (see below), whose sum is σ = 125191748500. Its totient is φ = 80066522880.

The previous prime is 100522120507. The next prime is 100522120541. The reversal of 100522120525 is 525021225001.

It can be written as a sum of positive squares in 6 ways, for example, as 5814520009 + 94707600516 = 76253^2 + 307746^2 .

It is not a de Polignac number, because 100522120525 - 2¹³ = 100522112333 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 100522120525.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8773500 + ... + 8784949.

Almost surely, 2^100522120525 is an apocalyptic number.

It is an amenable number.

100522120525 is a deficient number, since it is larger than the sum of its proper divisors (24669627975).

100522120525 is a wasteful number, since it uses less digits than its factorization.

100522120525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17558688 (or 17558683 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 25.

Adding to 100522120525 its reverse (525021225001), we get a palindrome (625543345526).

The spelling of 100522120525 in words is "one hundred billion, five hundred twenty-two million, one hundred twenty thousand, five hundred twenty-five".