100100221099 has 8 divisors (see below), whose sum is σ = 101957280768. Its totient is φ = 98255583720.

The previous prime is 100100221061. The next prime is 100100221147. The reversal of 100100221099 is 990122001001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100100221099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100100221009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3089307 + ... + 3121540.

It is an arithmetic number, because the mean of its divisors is an integer number (12744660096).

Almost surely, 2^100100221099 is an apocalyptic number.

100100221099 is a deficient number, since it is larger than the sum of its proper divisors (1857059669).

100100221099 is an equidigital number, since it uses as much as digits as its factorization.

100100221099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6211145.

The product of its (nonzero) digits is 324, while the sum is 25.

The spelling of 100100221099 in words is "one hundred billion, one hundred million, two hundred twenty-one thousand, ninety-nine".