102201021137 has 2 divisors, whose sum is σ = 102201021138. Its totient is φ = 102201021136.

The previous prime is 102201021101. The next prime is 102201021149. The reversal of 102201021137 is 731120102201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67767023041 + 34433998096 = 260321^2 + 185564^2 .

It is a cyclic number.

It is not a de Polignac number, because 102201021137 - 2¹⁸ = 102200758993 is a prime.

It is not a weakly prime, because it can be changed into another prime (102201021187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51100510568 + 51100510569.

It is an arithmetic number, because the mean of its divisors is an integer number (51100510569).

Almost surely, 2^102201021137 is an apocalyptic number.

It is an amenable number.

102201021137 is a deficient number, since it is larger than the sum of its proper divisors (1).

102201021137 is an equidigital number, since it uses as much as digits as its factorization.

102201021137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 168, while the sum is 20.

Adding to 102201021137 its reverse (731120102201), we get a palindrome (833321123338).

The spelling of 102201021137 in words is "one hundred two billion, two hundred one million, twenty-one thousand, one hundred thirty-seven".