202242102137 has 2 divisors, whose sum is σ = 202242102138. Its totient is φ = 202242102136.

The previous prime is 202242102053. The next prime is 202242102169. The reversal of 202242102137 is 731201242202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 145173192256 + 57068909881 = 381016^2 + 238891^2 .

It is a cyclic number.

It is not a de Polignac number, because 202242102137 - 2¹⁸ = 202241839993 is a prime.

It is not a weakly prime, because it can be changed into another prime (202242102737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101121051068 + 101121051069.

It is an arithmetic number, because the mean of its divisors is an integer number (101121051069).

Almost surely, 2^202242102137 is an apocalyptic number.

It is an amenable number.

202242102137 is a deficient number, since it is larger than the sum of its proper divisors (1).

202242102137 is an equidigital number, since it uses as much as digits as its factorization.

202242102137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 26.

Adding to 202242102137 its reverse (731201242202), we get a palindrome (933443344339).

The spelling of 202242102137 in words is "two hundred two billion, two hundred forty-two million, one hundred two thousand, one hundred thirty-seven".