102000202101 has 32 divisors (see below), whose sum is σ = 172713632000. Its totient is φ = 58280808960.

The previous prime is 102000202097. The next prime is 102000202123. The reversal of 102000202101 is 101202000201.

It is not a de Polignac number, because 102000202101 - 2² = 102000202097 is a prime.

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 (102000202001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4229325 + ... + 4253373.

It is an arithmetic number, because the mean of its divisors is an integer number (5397301000).

Almost surely, 2^102000202101 is an apocalyptic number.

It is an amenable number.

102000202101 is a deficient number, since it is larger than the sum of its proper divisors (70713429899).

102000202101 is a wasteful number, since it uses less digits than its factorization.

102000202101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46506 (or 46500 counting only the distinct ones).

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

Adding to 102000202101 its reverse (101202000201), we get a palindrome (203202202302).

The spelling of 102000202101 in words is "one hundred two billion, two hundred two thousand, one hundred one".