100221101233 has 4 divisors (see below), whose sum is σ = 109332110448. Its totient is φ = 91110092020.

The previous prime is 100221101179. The next prime is 100221101237. The reversal of 100221101233 is 332101122001.

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-100221101233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100221101237) 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, 4555504591 + ... + 4555504612.

It is an arithmetic number, because the mean of its divisors is an integer number (27333027612).

Almost surely, 2^100221101233 is an apocalyptic number.

It is an amenable number.

100221101233 is a deficient number, since it is larger than the sum of its proper divisors (9111009215).

100221101233 is an equidigital number, since it uses as much as digits as its factorization.

100221101233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9111009214.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 100221101233 its reverse (332101122001), we get a palindrome (432322223234).

The spelling of 100221101233 in words is "one hundred billion, two hundred twenty-one million, one hundred one thousand, two hundred thirty-three".