100232213525 has 12 divisors (see below), whose sum is σ = 128573736900. Its totient is φ = 77420743680.

The previous prime is 100232213509. The next prime is 100232213551. The reversal of 100232213525 is 525312232001.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 16922627569 + 83309585956 = 130087^2 + 288634^2 .

It is not a de Polignac number, because 100232213525 - 2⁴ = 100232213509 is a prime.

It is a super-3 number, since 3×100232213525³ (a number of 34 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 100232213494 and 100232213503.

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, 69124940 + ... + 69126389.

It is an arithmetic number, because the mean of its divisors is an integer number (10714478075).

Almost surely, 2^100232213525 is an apocalyptic number.

It is an amenable number.

100232213525 is a deficient number, since it is larger than the sum of its proper divisors (28341523375).

100232213525 is a wasteful number, since it uses less digits than its factorization.

100232213525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138251368 (or 138251363 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 100232213525 its reverse (525312232001), we get a palindrome (625544445526).

The spelling of 100232213525 in words is "one hundred billion, two hundred thirty-two million, two hundred thirteen thousand, five hundred twenty-five".