100521660970 has 32 divisors (see below), whose sum is σ = 182856082176. Its totient is φ = 39783192000.

The previous prime is 100521660961. The next prime is 100521660983. The reversal of 100521660970 is 79066125001.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1468405 + ... + 1535335.

It is an arithmetic number, because the mean of its divisors is an integer number (5714252568).

Almost surely, 2^100521660970 is an apocalyptic number.

100521660970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100521660970 is a deficient number, since it is larger than the sum of its proper divisors (82334421206).

100521660970 is a wasteful number, since it uses less digits than its factorization.

100521660970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68526.

The product of its (nonzero) digits is 22680, while the sum is 37.

Adding to 100521660970 its reverse (79066125001), we get a palindrome (179587785971).

The spelling of 100521660970 in words is "one hundred billion, five hundred twenty-one million, six hundred sixty thousand, nine hundred seventy".