102021200199 has 24 divisors (see below), whose sum is σ = 148589775360. Its totient is φ = 67448844288.

The previous prime is 102021200129. The next prime is 102021200219. The reversal of 102021200199 is 991002120201.

It is not a de Polignac number, because 102021200199 - 2²⁴ = 102004422983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102021200129) 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 23 ways as a sum of consecutive naturals, for example, 2744167 + ... + 2781095.

It is an arithmetic number, because the mean of its divisors is an integer number (6191240640).

Almost surely, 2^102021200199 is an apocalyptic number.

102021200199 is a deficient number, since it is larger than the sum of its proper divisors (46568575161).

102021200199 is a wasteful number, since it uses less digits than its factorization.

102021200199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39479 (or 39476 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 27.

The spelling of 102021200199 in words is "one hundred two billion, twenty-one million, two hundred thousand, one hundred ninety-nine".