101200002102 has 24 divisors (see below), whose sum is σ = 227387660136. Its totient is φ = 33733333872.

The previous prime is 101200002097. The next prime is 101200002149. The reversal of 101200002102 is 201200002101.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 104114743 + ... + 104115714.

It is an arithmetic number, because the mean of its divisors is an integer number (9474485839).

Almost surely, 2^101200002102 is an apocalyptic number.

101200002102 is an abundant number, since it is smaller than the sum of its proper divisors (126187658034).

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

101200002102 is an equidigital number, since it uses as much as digits as its factorization.

101200002102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208230474 (or 208230462 counting only the distinct ones).

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

Adding to 101200002102 its reverse (201200002101), we get a palindrome (302400004203).

Subtracting 101200002102 from its reverse (201200002101), we obtain a palindrome (99999999999).

The spelling of 101200002102 in words is "one hundred one billion, two hundred million, two thousand, one hundred two".