101002100102 has 48 divisors (see below), whose sum is σ = 166528580400. Its totient is φ = 45783392256.

The previous prime is 101002100071. The next prime is 101002100117. The reversal of 101002100102 is 201001200101.

It is a self number, because there is not a number n which added to its sum of digits gives 101002100102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12834773 + ... + 12842639.

It is an arithmetic number, because the mean of its divisors is an integer number (3469345425).

Almost surely, 2^101002100102 is an apocalyptic number.

101002100102 is a deficient number, since it is larger than the sum of its proper divisors (65526480298).

101002100102 is a wasteful number, since it uses less digits than its factorization.

101002100102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8393 (or 8364 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 101002100102 its reverse (201001200101), we get a palindrome (302003300203).

Subtracting 101002100102 from its reverse (201001200101), we obtain a palindrome (99999099999).

The spelling of 101002100102 in words is "one hundred one billion, two million, one hundred thousand, one hundred two".