102100200020199 has 16 divisors (see below), whose sum is σ = 157836058003200. Its totient is φ = 65107373925528.

The previous prime is 102100200020123. The next prime is 102100200020227. The reversal of 102100200020199 is 991020002001201.

It is not a de Polignac number, because 102100200020199 - 2¹² = 102100200016103 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102100200021199) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82206279589 + ... + 82206280830.

It is an arithmetic number, because the mean of its divisors is an integer number (9864753625200).

Almost surely, 2^{102100200020199} is an apocalyptic number.

102100200020199 is a deficient number, since it is larger than the sum of its proper divisors (55735857983001).

102100200020199 is a wasteful number, since it uses less digits than its factorization.

102100200020199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164412560451 (or 164412560445 counting only the distinct ones).

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

The spelling of 102100200020199 in words is "one hundred two trillion, one hundred billion, two hundred million, twenty thousand, one hundred ninety-nine".