100223232021 has 24 divisors (see below), whose sum is σ = 164793934656. Its totient is φ = 58100423040.

The previous prime is 100223232019. The next prime is 100223232049. The reversal of 100223232021 is 120232322001.

100223232021 is a `hidden beast` number, since 100 + 223 + 2 + 320 + 21 = 666.

It is not a de Polignac number, because 100223232021 - 2¹ = 100223232019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100223231985 and 100223232003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100223232001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22005460 + ... + 22010013.

It is an arithmetic number, because the mean of its divisors is an integer number (6866413944).

Almost surely, 2^100223232021 is an apocalyptic number.

100223232021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

100223232021 is a deficient number, since it is larger than the sum of its proper divisors (64570702635).

100223232021 is a wasteful number, since it uses less digits than its factorization.

100223232021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44015513 (or 44015510 counting only the distinct ones).

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

Adding to 100223232021 its reverse (120232322001), we get a palindrome (220455554022).

The spelling of 100223232021 in words is "one hundred billion, two hundred twenty-three million, two hundred thirty-two thousand, twenty-one".