100112012202221 has 4 divisors (see below), whose sum is σ = 100112164669152. Its totient is φ = 100111859735292.

The previous prime is 100112012202197. The next prime is 100112012202239. The reversal of 100112012202221 is 122202210211001.

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 100112012202221 - 2³⁸ = 99837134295277 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 100112012202221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100192012202221) 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, 75244265 + ... + 76563198.

It is an arithmetic number, because the mean of its divisors is an integer number (25028041167288).

Almost surely, 2^{100112012202221} is an apocalyptic number.

It is an amenable number.

100112012202221 is a deficient number, since it is larger than the sum of its proper divisors (152466931).

100112012202221 is an equidigital number, since it uses as much as digits as its factorization.

100112012202221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152466930.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 100112012202221 its reverse (122202210211001), we get a palindrome (222314222413222).

The spelling of 100112012202221 in words is "one hundred trillion, one hundred twelve billion, twelve million, two hundred two thousand, two hundred twenty-one".