202102220110031 has 2 divisors, whose sum is σ = 202102220110032. Its totient is φ = 202102220110030.

The previous prime is 202102220109989. The next prime is 202102220110051. The reversal of 202102220110031 is 130011022201202.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202102220110031 is a prime.

It is a super-2 number, since 2×202102220110031² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 202102220109991 and 202102220110009.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202102220110051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101051110055015 + 101051110055016.

It is an arithmetic number, because the mean of its divisors is an integer number (101051110055016).

Almost surely, 2^{202102220110031} is an apocalyptic number.

202102220110031 is a deficient number, since it is larger than the sum of its proper divisors (1).

202102220110031 is an equidigital number, since it uses as much as digits as its factorization.

202102220110031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 202102220110031 its reverse (130011022201202), we get a palindrome (332113242311233).

The spelling of 202102220110031 in words is "two hundred two trillion, one hundred two billion, two hundred twenty million, one hundred ten thousand, thirty-one".