202001202101101 has 4 divisors (see below), whose sum is σ = 217539756108892. Its totient is φ = 186462648093312.

The previous prime is 202001202101087. The next prime is 202001202101141. The reversal of 202001202101101 is 101101202100202.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 89182072027876 + 112819130073225 = 9443626^2 + 10621635^2 .

It is a cyclic number.

It is not a de Polignac number, because 202001202101101 - 2³³ = 201992612166509 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13), and also a Moran number because the ratio is a prime number: 15538554007777 = 202001202101101 / (2 + 0 + 2 + 0 + 0 + 1 + 2 + 0 + 2 + 1 + 0 + 1 + 1 + 0 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202001202101141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7769277003876 + ... + 7769277003901.

It is an arithmetic number, because the mean of its divisors is an integer number (54384939027223).

Almost surely, 2^{202001202101101} is an apocalyptic number.

It is an amenable number.

202001202101101 is a deficient number, since it is larger than the sum of its proper divisors (15538554007791).

202001202101101 is a wasteful number, since it uses less digits than its factorization.

202001202101101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15538554007790.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 202001202101101 its reverse (101101202100202), we get a palindrome (303102404201303).

The spelling of 202001202101101 in words is "two hundred two trillion, one billion, two hundred two million, one hundred one thousand, one hundred one".