100212110221 has 16 divisors (see below), whose sum is σ = 106816434048. Its totient is φ = 93688358400.

The previous prime is 100212110177. The next prime is 100212110231. The reversal of 100212110221 is 122011212001.

It is a cyclic number.

It is not a de Polignac number, because 100212110221 - 2⁷ = 100212110093 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 (100212110231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1842016 + ... + 1895638.

It is an arithmetic number, because the mean of its divisors is an integer number (6676027128).

Almost surely, 2^100212110221 is an apocalyptic number.

It is an amenable number.

100212110221 is a deficient number, since it is larger than the sum of its proper divisors (6604323827).

100212110221 is a wasteful number, since it uses less digits than its factorization.

100212110221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54372.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 100212110221 its reverse (122011212001), we get a palindrome (222223322222).

The spelling of 100212110221 in words is "one hundred billion, two hundred twelve million, one hundred ten thousand, two hundred twenty-one".