100009202021 has 8 divisors (see below), whose sum is σ = 103320451584. Its totient is φ = 96703274160.

The previous prime is 100009201991. The next prime is 100009202023. The reversal of 100009202021 is 120202900001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100009202021 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100009202023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1292201 + ... + 1367406.

It is an arithmetic number, because the mean of its divisors is an integer number (12915056448).

Almost surely, 2^100009202021 is an apocalyptic number.

It is an amenable number.

100009202021 is a deficient number, since it is larger than the sum of its proper divisors (3311249563).

100009202021 is a wasteful number, since it uses less digits than its factorization.

100009202021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2660851.

The product of its (nonzero) digits is 72, while the sum is 17.

The spelling of 100009202021 in words is "one hundred billion, nine million, two hundred two thousand, twenty-one".