102102099 has 12 divisors (see below), whose sum is σ = 149637768. Its totient is φ = 61879840.

The previous prime is 102102089. The next prime is 102102109. The reversal of 102102099 is 990201201.

It is an interprime number because it is at equal distance from previous prime (102102089) and next prime (102102109).

It is not a de Polignac number, because 102102099 - 2⁷ = 102101971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102102019) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 140274 + ... + 140999.

It is an arithmetic number, because the mean of its divisors is an integer number (12469814).

Almost surely, 2^102102099 is an apocalyptic number.

102102099 is a deficient number, since it is larger than the sum of its proper divisors (47535669).

102102099 is a wasteful number, since it uses less digits than its factorization.

102102099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281298 (or 281287 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 24.

The square root of 102102099 is about 10104.5583278043. The cubic root of 102102099 is about 467.3887163034.

It can be divided in two parts, 102 and 102099, that added together give a palindrome (102201).

The spelling of 102102099 in words is "one hundred two million, one hundred two thousand, ninety-nine".