100222333021 has 4 divisors (see below), whose sum is σ = 100224357952. Its totient is φ = 100220308092.

The previous prime is 100222333009. The next prime is 100222333031. The reversal of 100222333021 is 120333222001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 100222333021 - 2⁷ = 100222332893 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 100222333021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100222333031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 936315 + ... + 1037848.

It is an arithmetic number, because the mean of its divisors is an integer number (25056089488).

Almost surely, 2^100222333021 is an apocalyptic number.

It is an amenable number.

100222333021 is a deficient number, since it is larger than the sum of its proper divisors (2024931).

100222333021 is an equidigital number, since it uses as much as digits as its factorization.

100222333021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2024930.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 100222333021 its reverse (120333222001), we get a palindrome (220555555022).

The spelling of 100222333021 in words is "one hundred billion, two hundred twenty-two million, three hundred thirty-three thousand, twenty-one".