102221000001999 has 32 divisors (see below), whose sum is σ = 151573041815040. Its totient is φ = 68086803612096.

The previous prime is 102221000001937. The next prime is 102221000002007. The reversal of 102221000001999 is 999100000122201.

It is not a de Polignac number, because 102221000001999 - 2⁴³ = 93424906979791 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102221000001919) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 755183644 + ... + 755318990.

It is an arithmetic number, because the mean of its divisors is an integer number (4736657556720).

Almost surely, 2^{102221000001999} is an apocalyptic number.

102221000001999 is a deficient number, since it is larger than the sum of its proper divisors (49352041813041).

102221000001999 is a wasteful number, since it uses less digits than its factorization.

102221000001999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159996 (or 159990 counting only the distinct ones).

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

The spelling of 102221000001999 in words is "one hundred two trillion, two hundred twenty-one billion, one thousand, nine hundred ninety-nine".