202110002001 has 12 divisors (see below), whose sum is σ = 291940623312. Its totient is φ = 134738176536.

The previous prime is 202110001997. The next prime is 202110002009. The reversal of 202110002001 is 100200011202.

It is not a de Polignac number, because 202110002001 - 2² = 202110001997 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (202110002009) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1047090 + ... + 1224996.

It is an arithmetic number, because the mean of its divisors is an integer number (24328385276).

Almost surely, 2^202110002001 is an apocalyptic number.

It is an amenable number.

202110002001 is a deficient number, since it is larger than the sum of its proper divisors (89830621311).

202110002001 is a wasteful number, since it uses less digits than its factorization.

202110002001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304140 (or 304137 counting only the distinct ones).

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

Adding to 202110002001 its reverse (100200011202), we get a palindrome (302310013203).

The spelling of 202110002001 in words is "two hundred two billion, one hundred ten million, two thousand, one".