100070362921 has 3 divisors (see below), whose sum is σ = 100070679261. Its totient is φ = 100070046582.

The previous prime is 100070362907. The next prime is 100070362927. The reversal of 100070362921 is 129263070001.

The square root of 100070362921 is 316339.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 100070362921 - 2²⁵ = 100036808489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100070362927) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 158170 + ... + 474508.

It is an arithmetic number, because the mean of its divisors is an integer number (33356893087).

Almost surely, 2^100070362921 is an apocalyptic number.

100070362921 is the 316339-th square number.

100070362921 is the 158170-th centered octagonal number.

It is an amenable number.

100070362921 is a deficient number, since it is larger than the sum of its proper divisors (316340).

100070362921 is an frugal number, since it uses more digits than its factorization.

100070362921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632678 (or 316339 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 31.

The spelling of 100070362921 in words is "one hundred billion, seventy million, three hundred sixty-two thousand, nine hundred twenty-one".