99233221121 has 4 divisors (see below), whose sum is σ = 99333356544. Its totient is φ = 99133085700.

The previous prime is 99233221103. The next prime is 99233221133. The reversal of 99233221121 is 12112233299.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99233221121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99233221141) 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, 50066225 + ... + 50068206.

It is an arithmetic number, because the mean of its divisors is an integer number (24833339136).

Almost surely, 2^99233221121 is an apocalyptic number.

It is an amenable number.

99233221121 is a deficient number, since it is larger than the sum of its proper divisors (100135423).

99233221121 is a wasteful number, since it uses less digits than its factorization.

99233221121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100135422.

The product of its digits is 11664, while the sum is 35.

The spelling of 99233221121 in words is "ninety-nine billion, two hundred thirty-three million, two hundred twenty-one thousand, one hundred twenty-one".