100233422121 has 24 divisors (see below), whose sum is σ = 154857760320. Its totient is φ = 56491572096.

The previous prime is 100233422083. The next prime is 100233422123. The reversal of 100233422121 is 121224332001.

It is not a de Polignac number, because 100233422121 - 2¹⁴ = 100233405737 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (100233422123) 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, 335926 + ... + 559743.

It is an arithmetic number, because the mean of its divisors is an integer number (6452406680).

Almost surely, 2^100233422121 is an apocalyptic number.

It is an amenable number.

100233422121 is a deficient number, since it is larger than the sum of its proper divisors (54624338199).

100233422121 is an frugal number, since it uses more digits than its factorization.

100233422121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 895825 (or 895752 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 100233422121 its reverse (121224332001), we get a palindrome (221457754122).

The spelling of 100233422121 in words is "one hundred billion, two hundred thirty-three million, four hundred twenty-two thousand, one hundred twenty-one".