202523413122101 has 2 divisors, whose sum is σ = 202523413122102. Its totient is φ = 202523413122100.

The previous prime is 202523413122097. The next prime is 202523413122157. The reversal of 202523413122101 is 101221314325202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 200348596347025 + 2174816775076 = 14154455^2 + 1474726^2 .

It is a cyclic number.

It is not a de Polignac number, because 202523413122101 - 2² = 202523413122097 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202523413422101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101261706561050 + 101261706561051.

It is an arithmetic number, because the mean of its divisors is an integer number (101261706561051).

Almost surely, 2^{202523413122101} is an apocalyptic number.

It is an amenable number.

202523413122101 is a deficient number, since it is larger than the sum of its proper divisors (1).

202523413122101 is an equidigital number, since it uses as much as digits as its factorization.

202523413122101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 29.

Adding to 202523413122101 its reverse (101221314325202), we get a palindrome (303744727447303).

The spelling of 202523413122101 in words is "two hundred two trillion, five hundred twenty-three billion, four hundred thirteen million, one hundred twenty-two thousand, one hundred one".