100312010021 has 8 divisors (see below), whose sum is σ = 103568352000. Its totient is φ = 97056947520.

The previous prime is 100312009961. The next prime is 100312010023. The reversal of 100312010021 is 120010213001.

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

It is a cyclic number.

It is not a de Polignac number, because 100312010021 - 2³⁴ = 83132140837 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100312009984 and 100312010011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100312010023) 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, 159236 + ... + 475373.

It is an arithmetic number, because the mean of its divisors is an integer number (12946044000).

Almost surely, 2^100312010021 is an apocalyptic number.

It is an amenable number.

100312010021 is a deficient number, since it is larger than the sum of its proper divisors (3256341979).

100312010021 is an equidigital number, since it uses as much as digits as its factorization.

100312010021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639739.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 100312010021 its reverse (120010213001), we get a palindrome (220322223022).

The spelling of 100312010021 in words is "one hundred billion, three hundred twelve million, ten thousand, twenty-one".