100213203021 has 8 divisors (see below), whose sum is σ = 133842931200. Its totient is φ = 66696138432.

The previous prime is 100213203017. The next prime is 100213203059. The reversal of 100213203021 is 120302312001.

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

It is not a de Polignac number, because 100213203021 - 2² = 100213203017 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100213203001) 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, 28163821 + ... + 28167378.

It is an arithmetic number, because the mean of its divisors is an integer number (16730366400).

Almost surely, 2^100213203021 is an apocalyptic number.

It is an amenable number.

100213203021 is a deficient number, since it is larger than the sum of its proper divisors (33629728179).

100213203021 is an equidigital number, since it uses as much as digits as its factorization.

100213203021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56331795.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 100213203021 its reverse (120302312001), we get a palindrome (220515515022).

The spelling of 100213203021 in words is "one hundred billion, two hundred thirteen million, two hundred three thousand, twenty-one".