202201000001001 has 32 divisors (see below), whose sum is σ = 299739143088000. Its totient is φ = 134718742748160.

The previous prime is 202201000000957. The next prime is 202201000001047. The reversal of 202201000001001 is 100100000102202.

It is not a de Polignac number, because 202201000001001 - 2¹⁴ = 202200999984617 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 (202201000001501) 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, 308727265 + ... + 309381521.

It is an arithmetic number, because the mean of its divisors is an integer number (9366848221500).

Almost surely, 2^{202201000001001} is an apocalyptic number.

It is an amenable number.

202201000001001 is a deficient number, since it is larger than the sum of its proper divisors (97538143086999).

202201000001001 is a wasteful number, since it uses less digits than its factorization.

202201000001001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661206 (or 661200 counting only the distinct ones).

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

Adding to 202201000001001 its reverse (100100000102202), we get a palindrome (302301000103203).

The spelling of 202201000001001 in words is "two hundred two trillion, two hundred one billion, one thousand, one".