102205251199 has 4 divisors (see below), whose sum is σ = 102205905664. Its totient is φ = 102204596736.

The previous prime is 102205251121. The next prime is 102205251221. The reversal of 102205251199 is 991152502201.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 102205251199 - 2³⁵ = 67845512831 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 (102215251199) 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, 58879 + ... + 455935.

It is an arithmetic number, because the mean of its divisors is an integer number (25551476416).

Almost surely, 2^102205251199 is an apocalyptic number.

102205251199 is a deficient number, since it is larger than the sum of its proper divisors (654465).

102205251199 is an equidigital number, since it uses as much as digits as its factorization.

102205251199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 654464.

The product of its (nonzero) digits is 16200, while the sum is 37.

The spelling of 102205251199 in words is "one hundred two billion, two hundred five million, two hundred fifty-one thousand, one hundred ninety-nine".