202110031002101 has 2 divisors, whose sum is σ = 202110031002102. Its totient is φ = 202110031002100.

The previous prime is 202110031001993. The next prime is 202110031002151. The reversal of 202110031002101 is 101200130011202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 201147532657201 + 962498344900 = 14182649^2 + 981070^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202110031002101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202110031002151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101055015501050 + 101055015501051.

It is an arithmetic number, because the mean of its divisors is an integer number (101055015501051).

Almost surely, 2^{202110031002101} is an apocalyptic number.

It is an amenable number.

202110031002101 is a deficient number, since it is larger than the sum of its proper divisors (1).

202110031002101 is an equidigital number, since it uses as much as digits as its factorization.

202110031002101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 202110031002101 its reverse (101200130011202), we get a palindrome (303310161013303).

The spelling of 202110031002101 in words is "two hundred two trillion, one hundred ten billion, thirty-one million, two thousand, one hundred one".