100322123221 has 16 divisors (see below), whose sum is σ = 103050904320. Its totient is φ = 97635202560.

The previous prime is 100322123203. The next prime is 100322123233. The reversal of 100322123221 is 122321223001.

It is not a de Polignac number, because 100322123221 - 2⁷ = 100322123093 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 (100322123021) 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, 2660320 + ... + 2697766.

It is an arithmetic number, because the mean of its divisors is an integer number (6440681520).

Almost surely, 2^100322123221 is an apocalyptic number.

It is an amenable number.

100322123221 is a deficient number, since it is larger than the sum of its proper divisors (2728781099).

100322123221 is an equidigital number, since it uses as much as digits as its factorization.

100322123221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38004.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 100322123221 its reverse (122321223001), we get a palindrome (222643346222).

The spelling of 100322123221 in words is "one hundred billion, three hundred twenty-two million, one hundred twenty-three thousand, two hundred twenty-one".