102120102199 has 4 divisors (see below), whose sum is σ = 107494844440. Its totient is φ = 96745359960.

The previous prime is 102120102187. The next prime is 102120102283. The reversal of 102120102199 is 991201021201.

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 102120102199 - 2¹¹ = 102120100151 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 (102120102109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2687371092 + ... + 2687371129.

It is an arithmetic number, because the mean of its divisors is an integer number (26873711110).

Almost surely, 2^102120102199 is an apocalyptic number.

102120102199 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

102120102199 is a deficient number, since it is larger than the sum of its proper divisors (5374742241).

102120102199 is an equidigital number, since it uses as much as digits as its factorization.

102120102199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5374742240.

The product of its (nonzero) digits is 648, while the sum is 28.

The spelling of 102120102199 in words is "one hundred two billion, one hundred twenty million, one hundred two thousand, one hundred ninety-nine".