102001002102 has 12 divisors (see below), whose sum is σ = 221002171260. Its totient is φ = 34000334028.

The previous prime is 102001002041. The next prime is 102001002107. The reversal of 102001002102 is 201200100201.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102001002107) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2833361152 + ... + 2833361187.

It is an arithmetic number, because the mean of its divisors is an integer number (18416847605).

Almost surely, 2^102001002102 is an apocalyptic number.

102001002102 is an abundant number, since it is smaller than the sum of its proper divisors (119001169158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102001002102 is a wasteful number, since it uses less digits than its factorization.

102001002102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5666722347 (or 5666722344 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 102001002102 its reverse (201200100201), we get a palindrome (303201102303).

The spelling of 102001002102 in words is "one hundred two billion, one million, two thousand, one hundred two".