100100112221 has 8 divisors (see below), whose sum is σ = 105841048320. Its totient is φ = 94406427072.

The previous prime is 100100112179. The next prime is 100100112227. The reversal of 100100112221 is 122211001001.

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

It is a cyclic number.

It is not a de Polignac number, because 100100112221 - 2⁶ = 100100112157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100100112227) 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, 11808380 + ... + 11816853.

It is an arithmetic number, because the mean of its divisors is an integer number (13230131040).

Almost surely, 2^100100112221 is an apocalyptic number.

It is an amenable number.

100100112221 is a deficient number, since it is larger than the sum of its proper divisors (5740936099).

100100112221 is a wasteful number, since it uses less digits than its factorization.

100100112221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23625475.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 100100112221 its reverse (122211001001), we get a palindrome (222311113222).

It can be divided in two parts, 1001001 and 12221, that multiplied together give a palindrome (12233233221).

The spelling of 100100112221 in words is "one hundred billion, one hundred million, one hundred twelve thousand, two hundred twenty-one".