102101902702 has 4 divisors (see below), whose sum is σ = 153152854056. Its totient is φ = 51050951350.

The previous prime is 102101902601. The next prime is 102101902733. The reversal of 102101902702 is 207209101201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 207209101201 = 43 ⋅4818816307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25525475674 + ... + 25525475677.

It is an arithmetic number, because the mean of its divisors is an integer number (38288213514).

Almost surely, 2^102101902702 is an apocalyptic number.

102101902702 is a deficient number, since it is larger than the sum of its proper divisors (51050951354).

102101902702 is an equidigital number, since it uses as much as digits as its factorization.

102101902702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51050951353.

The product of its (nonzero) digits is 504, while the sum is 25.

The spelling of 102101902702 in words is "one hundred two billion, one hundred one million, nine hundred two thousand, seven hundred two".