201000202101002 has 16 divisors (see below), whose sum is σ = 301718592318312. Its totient is φ = 100427362875840.

The previous prime is 201000202100989. The next prime is 201000202101007. The reversal of 201000202101002 is 200101202000102.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 142156712856601 + 58843489244401 = 11922949^2 + 7670951^2 .

It is not an unprimeable number, because it can be changed into a prime (201000202101007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9947252 + ... + 22381872.

Almost surely, 2^{201000202101002} is an apocalyptic number.

201000202101002 is a deficient number, since it is larger than the sum of its proper divisors (100718390217310).

201000202101002 is a wasteful number, since it uses less digits than its factorization.

201000202101002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12440473.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 201000202101002 its reverse (200101202000102), we get a palindrome (401101404101104).

The spelling of 201000202101002 in words is "two hundred one trillion, two hundred two million, one hundred one thousand, two".