102202001999 has 4 divisors (see below), whose sum is σ = 102207293064. Its totient is φ = 102196710936.

The previous prime is 102202001929. The next prime is 102202002013. The reversal of 102202001999 is 999100202201.

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 102202001999 - 2³² = 97907034703 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102202001929) 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 3 ways as a sum of consecutive naturals, for example, 2616452 + ... + 2655225.

It is an arithmetic number, because the mean of its divisors is an integer number (25551823266).

Almost surely, 2^102202001999 is an apocalyptic number.

102202001999 is a deficient number, since it is larger than the sum of its proper divisors (5291065).

102202001999 is an equidigital number, since it uses as much as digits as its factorization.

102202001999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5291064.

The product of its (nonzero) digits is 5832, while the sum is 35.

The spelling of 102202001999 in words is "one hundred two billion, two hundred two million, one thousand, nine hundred ninety-nine".