100112221002221 has 4 divisors (see below), whose sum is σ = 100116361488000. Its totient is φ = 100108080516444.

The previous prime is 100112221002133. The next prime is 100112221002239. The reversal of 100112221002221 is 122200122211001.

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 100112221002221 - 2³⁸ = 99837343095277 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 100112221002221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100112221002271) 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, 2070206621 + ... + 2070254978.

It is an arithmetic number, because the mean of its divisors is an integer number (25029090372000).

Almost surely, 2^{100112221002221} is an apocalyptic number.

It is an amenable number.

100112221002221 is a deficient number, since it is larger than the sum of its proper divisors (4140485779).

100112221002221 is an equidigital number, since it uses as much as digits as its factorization.

100112221002221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4140485778.

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

Adding to 100112221002221 its reverse (122200122211001), we get a palindrome (222312343213222).

The spelling of 100112221002221 in words is "one hundred trillion, one hundred twelve billion, two hundred twenty-one million, two thousand, two hundred twenty-one".