101001002102 has 128 divisors (see below), whose sum is σ = 214865215488. Its totient is φ = 34333891200.

The previous prime is 101001002099. The next prime is 101001002129. The reversal of 101001002102 is 201200100101.

It is a self number, because there is not a number n which added to its sum of digits gives 101001002102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2649743 + ... + 2687589.

It is an arithmetic number, because the mean of its divisors is an integer number (1678634496).

Almost surely, 2^101001002102 is an apocalyptic number.

101001002102 is an abundant number, since it is smaller than the sum of its proper divisors (113864213386).

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

101001002102 is a wasteful number, since it uses less digits than its factorization.

101001002102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37954.

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

Adding to 101001002102 its reverse (201200100101), we get a palindrome (302201102203).

The spelling of 101001002102 in words is "one hundred one billion, one million, two thousand, one hundred two".