102102010997 has 4 divisors (see below), whose sum is σ = 116688012576. Its totient is φ = 87516009420.

The previous prime is 102102010957. The next prime is 102102011021. The reversal of 102102010997 is 799010201201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 102102010997 - 2²² = 102097816693 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 (102102010957) 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, 7293000779 + ... + 7293000792.

It is an arithmetic number, because the mean of its divisors is an integer number (29172003144).

Almost surely, 2^102102010997 is an apocalyptic number.

It is an amenable number.

102102010997 is a deficient number, since it is larger than the sum of its proper divisors (14586001579).

102102010997 is an equidigital number, since it uses as much as digits as its factorization.

102102010997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14586001578.

The product of its (nonzero) digits is 2268, while the sum is 32.

The spelling of 102102010997 in words is "one hundred two billion, one hundred two million, ten thousand, nine hundred ninety-seven".