111210101137 has 2 divisors, whose sum is σ = 111210101138. Its totient is φ = 111210101136.

The previous prime is 111210101111. The next prime is 111210101143. The reversal of 111210101137 is 731101012111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 106981980561 + 4228120576 = 327081^2 + 65024^2 .

It is an emirp because it is prime and its reverse (731101012111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111210101137 - 2¹¹ = 111210099089 is a prime.

It is not a weakly prime, because it can be changed into another prime (111210101537) 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, 55605050568 + 55605050569.

It is an arithmetic number, because the mean of its divisors is an integer number (55605050569).

Almost surely, 2^111210101137 is an apocalyptic number.

It is an amenable number.

111210101137 is a deficient number, since it is larger than the sum of its proper divisors (1).

111210101137 is an equidigital number, since it uses as much as digits as its factorization.

111210101137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42, while the sum is 19.

Adding to 111210101137 its reverse (731101012111), we get a palindrome (842311113248).

The spelling of 111210101137 in words is "one hundred eleven billion, two hundred ten million, one hundred one thousand, one hundred thirty-seven".