102201219999 has 24 divisors (see below), whose sum is σ = 148193025552. Its totient is φ = 67871669760.

The previous prime is 102201219979. The next prime is 102201220031. The reversal of 102201219999 is 999912102201.

It is not a de Polignac number, because 102201219999 - 2⁹ = 102201219487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102201219979) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13701679 + ... + 13709135.

It is an arithmetic number, because the mean of its divisors is an integer number (6174709398).

Almost surely, 2^102201219999 is an apocalyptic number.

102201219999 is a deficient number, since it is larger than the sum of its proper divisors (45991805553).

102201219999 is a wasteful number, since it uses less digits than its factorization.

102201219999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13127 (or 13124 counting only the distinct ones).

The product of its (nonzero) digits is 52488, while the sum is 45.

The spelling of 102201219999 in words is "one hundred two billion, two hundred one million, two hundred nineteen thousand, nine hundred ninety-nine".