202101002101231 has 2 divisors, whose sum is σ = 202101002101232. Its totient is φ = 202101002101230.

The previous prime is 202101002101169. The next prime is 202101002101247. The reversal of 202101002101231 is 132101200101202.

It is an a-pointer prime, because the next prime (202101002101247) can be obtained adding 202101002101231 to its sum of digits (16).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 202101002101231 - 2¹⁵ = 202101002068463 is a prime.

It is a super-2 number, since 2×202101002101231² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202101002104231) 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, 101050501050615 + 101050501050616.

It is an arithmetic number, because the mean of its divisors is an integer number (101050501050616).

Almost surely, 2^{202101002101231} is an apocalyptic number.

202101002101231 is a deficient number, since it is larger than the sum of its proper divisors (1).

202101002101231 is an equidigital number, since it uses as much as digits as its factorization.

202101002101231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 202101002101231 its reverse (132101200101202), we get a palindrome (334202202202433).

The spelling of 202101002101231 in words is "two hundred two trillion, one hundred one billion, two million, one hundred one thousand, two hundred thirty-one".