100202222123 has 4 divisors (see below), whose sum is σ = 100574721360. Its totient is φ = 99829722888.

The previous prime is 100202222093. The next prime is 100202222147. The reversal of 100202222123 is 321222202001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 100202222123 - 2²⁰ = 100201173547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100202221123) 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, 186249215 + ... + 186249752.

It is an arithmetic number, because the mean of its divisors is an integer number (25143680340).

Almost surely, 2^100202222123 is an apocalyptic number.

100202222123 is a deficient number, since it is larger than the sum of its proper divisors (372499237).

100202222123 is an equidigital number, since it uses as much as digits as its factorization.

100202222123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372499236.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 100202222123 its reverse (321222202001), we get a palindrome (421424424124).

The spelling of 100202222123 in words is "one hundred billion, two hundred two million, two hundred twenty-two thousand, one hundred twenty-three".