210111120201137 has 2 divisors, whose sum is σ = 210111120201138. Its totient is φ = 210111120201136.

The previous prime is 210111120201109. The next prime is 210111120201167. The reversal of 210111120201137 is 731102021111012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 123203251292416 + 86907868908721 = 11099696^2 + 9322439^2 .

It is a cyclic number.

It is not a de Polignac number, because 210111120201137 - 2⁸ = 210111120200881 is a prime.

It is not a weakly prime, because it can be changed into another prime (210111120201167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105055560100568 + 105055560100569.

It is an arithmetic number, because the mean of its divisors is an integer number (105055560100569).

Almost surely, 2^{210111120201137} is an apocalyptic number.

It is an amenable number.

210111120201137 is a deficient number, since it is larger than the sum of its proper divisors (1).

210111120201137 is an equidigital number, since it uses as much as digits as its factorization.

210111120201137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168, while the sum is 23.

Adding to 210111120201137 its reverse (731102021111012), we get a palindrome (941213141312149).

The spelling of 210111120201137 in words is "two hundred ten trillion, one hundred eleven billion, one hundred twenty million, two hundred one thousand, one hundred thirty-seven".