100102020001101 has 40 divisors (see below), whose sum is σ = 157418088159200. Its totient is φ = 63217226394720.

The previous prime is 100102020001097. The next prime is 100102020001219. The reversal of 100102020001101 is 101100020201001.

It is a happy number.

It is not a de Polignac number, because 100102020001101 - 2² = 100102020001097 is a prime.

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

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100102020003101) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 16497630 + ... + 21734208.

It is an arithmetic number, because the mean of its divisors is an integer number (3935452203980).

Almost surely, 2^{100102020001101} is an apocalyptic number.

It is an amenable number.

100102020001101 is a deficient number, since it is larger than the sum of its proper divisors (57316068158099).

100102020001101 is a wasteful number, since it uses less digits than its factorization.

100102020001101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5249031 (or 5249022 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 100102020001101 its reverse (101100020201001), we get a palindrome (201202040202102).

The spelling of 100102020001101 in words is "one hundred trillion, one hundred two billion, twenty million, one thousand, one hundred one".