100332222121 has 4 divisors (see below), whose sum is σ = 104694492672. Its totient is φ = 95969951572.

The previous prime is 100332222079. The next prime is 100332222127. The reversal of 100332222121 is 121222233001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 121222233001 = 42407 ⋅2858543.

It is a cyclic number.

It is not a de Polignac number, because 100332222121 - 2⁹ = 100332221609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100332222127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2181135241 + ... + 2181135286.

It is an arithmetic number, because the mean of its divisors is an integer number (26173623168).

Almost surely, 2^100332222121 is an apocalyptic number.

It is an amenable number.

100332222121 is a deficient number, since it is larger than the sum of its proper divisors (4362270551).

100332222121 is an equidigital number, since it uses as much as digits as its factorization.

100332222121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4362270550.

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

Adding to 100332222121 its reverse (121222233001), we get a palindrome (221554455122).

The spelling of 100332222121 in words is "one hundred billion, three hundred thirty-two million, two hundred twenty-two thousand, one hundred twenty-one".