100322032221 has 64 divisors (see below), whose sum is σ = 166844160000. Its totient is φ = 59204411136.

The previous prime is 100322032211. The next prime is 100322032273. The reversal of 100322032221 is 122230223001.

100322032221 is a `hidden beast` number, since 1 + 0 + 0 + 322 + 0 + 322 + 21 = 666.

It is not a de Polignac number, because 100322032221 - 2⁶ = 100322032157 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100322032194 and 100322032203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100322032211) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1170840 + ... + 1253598.

It is an arithmetic number, because the mean of its divisors is an integer number (2606940000).

Almost surely, 2^100322032221 is an apocalyptic number.

It is an amenable number.

100322032221 is a deficient number, since it is larger than the sum of its proper divisors (66522127779).

100322032221 is a wasteful number, since it uses less digits than its factorization.

100322032221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82943 (or 82937 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 100322032221 its reverse (122230223001), we get a palindrome (222552255222).

The spelling of 100322032221 in words is "one hundred billion, three hundred twenty-two million, thirty-two thousand, two hundred twenty-one".