100112222021 has 4 divisors (see below), whose sum is σ = 114413968032. Its totient is φ = 85810476012.

The previous prime is 100112221991. The next prime is 100112222039. The reversal of 100112222021 is 120222211001.

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 100112222021 - 2²² = 100108027717 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100112221987 and 100112222005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100112222071) 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, 7150872995 + ... + 7150873008.

It is an arithmetic number, because the mean of its divisors is an integer number (28603492008).

Almost surely, 2^100112222021 is an apocalyptic number.

It is an amenable number.

100112222021 is a deficient number, since it is larger than the sum of its proper divisors (14301746011).

100112222021 is an equidigital number, since it uses as much as digits as its factorization.

100112222021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14301746010.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 100112222021 its reverse (120222211001), we get a palindrome (220334433022).

The spelling of 100112222021 in words is "one hundred billion, one hundred twelve million, two hundred twenty-two thousand, twenty-one".