201002221101313 has 4 divisors (see below), whose sum is σ = 205904714298948. Its totient is φ = 196099727903680.

The previous prime is 201002221101287. The next prime is 201002221101359. The reversal of 201002221101313 is 313101122200102.

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 12374438423824 + 188627782677489 = 3517732^2 + 13734183^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201002221101313 is a prime.

It is a super-2 number, since 2×201002221101313² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201002221101713) 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, 2451246598756 + ... + 2451246598837.

It is an arithmetic number, because the mean of its divisors is an integer number (51476178574737).

Almost surely, 2^{201002221101313} is an apocalyptic number.

It is an amenable number.

201002221101313 is a deficient number, since it is larger than the sum of its proper divisors (4902493197635).

201002221101313 is an equidigital number, since it uses as much as digits as its factorization.

201002221101313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4902493197634.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 201002221101313 its reverse (313101122200102), we get a palindrome (514103343301415).

The spelling of 201002221101313 in words is "two hundred one trillion, two billion, two hundred twenty-one million, one hundred one thousand, three hundred thirteen".