102010200102 has 48 divisors (see below), whose sum is σ = 234054858960. Its totient is φ = 31998898176.

The previous prime is 102010200077. The next prime is 102010200109. The reversal of 102010200102 is 201002010201.

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 (102010200109) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2864518 + ... + 2899910.

It is an arithmetic number, because the mean of its divisors is an integer number (4876142895).

Almost surely, 2^102010200102 is an apocalyptic number.

102010200102 is an abundant number, since it is smaller than the sum of its proper divisors (132044658858).

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

102010200102 is a wasteful number, since it uses less digits than its factorization.

102010200102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44837 (or 44834 counting only the distinct ones).

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

Adding to 102010200102 its reverse (201002010201), we get a palindrome (303012210303).

The spelling of 102010200102 in words is "one hundred two billion, ten million, two hundred thousand, one hundred two".