102221100999 has 12 divisors (see below), whose sum is σ = 147655817400. Its totient is φ = 68145962544.

The previous prime is 102221100991. The next prime is 102221101019. The reversal of 102221100999 is 999001122201.

It is not a de Polignac number, because 102221100999 - 2³ = 102221100991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102221100991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 497932 + ... + 672590.

It is an arithmetic number, because the mean of its divisors is an integer number (12304651450).

Almost surely, 2^102221100999 is an apocalyptic number.

102221100999 is a deficient number, since it is larger than the sum of its proper divisors (45434716401).

102221100999 is a wasteful number, since it uses less digits than its factorization.

102221100999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239694 (or 239691 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 36.

The spelling of 102221100999 in words is "one hundred two billion, two hundred twenty-one million, one hundred thousand, nine hundred ninety-nine".