202102101001 has 16 divisors (see below), whose sum is σ = 208763334720. Its totient is φ = 195571499200.

The previous prime is 202102100999. The next prime is 202102101007. The reversal of 202102101001 is 100101201202.

It is a cyclic number.

It is not a de Polignac number, because 202102101001 - 2¹ = 202102100999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202102101007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 932886 + ... + 1128928.

It is an arithmetic number, because the mean of its divisors is an integer number (13047708420).

Almost surely, 2^202102101001 is an apocalyptic number.

It is an amenable number.

202102101001 is a deficient number, since it is larger than the sum of its proper divisors (6661233719).

202102101001 is a wasteful number, since it uses less digits than its factorization.

202102101001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196376.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 202102101001 its reverse (100101201202), we get a palindrome (302203302203).

The spelling of 202102101001 in words is "two hundred two billion, one hundred two million, one hundred one thousand, one".