102100000102 has 4 divisors (see below), whose sum is σ = 153150000156. Its totient is φ = 51050000050.

The previous prime is 102100000099. The next prime is 102100000117. The reversal of 102100000102 is 201000001201.

It is a semiprime because it is the product of two primes.

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, 25525000024 + ... + 25525000027.

It is an arithmetic number, because the mean of its divisors is an integer number (38287500039).

Almost surely, 2^102100000102 is an apocalyptic number.

102100000102 is a deficient number, since it is larger than the sum of its proper divisors (51050000054).

102100000102 is an equidigital number, since it uses as much as digits as its factorization.

102100000102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51050000053.

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 102100000102 its reverse (201000001201), we get a palindrome (303100001303).

The spelling of 102100000102 in words is "one hundred two billion, one hundred million, one hundred two", and thus it is an aban number.