10102002102 has 32 divisors (see below), whose sum is σ = 22488415200. Its totient is φ = 3361405824.

The previous prime is 10102002101. The next prime is 10102002121. The reversal of 10102002102 is 20120020101.

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 (10102002101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133663 + ... + 195114.

It is an arithmetic number, because the mean of its divisors is an integer number (702762975).

Almost surely, 2^10102002102 is an apocalyptic number.

10102002102 is an abundant number, since it is smaller than the sum of its proper divisors (12386413098).

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

10102002102 is a wasteful number, since it uses less digits than its factorization.

10102002102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329357 (or 329351 counting only the distinct ones).

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

Adding to 10102002102 its reverse (20120020101), we get a palindrome (30222022203).

The spelling of 10102002102 in words is "ten billion, one hundred two million, two thousand, one hundred two".