111000223206137 has 2 divisors, whose sum is σ = 111000223206138. Its totient is φ = 111000223206136.

The previous prime is 111000223206113. The next prime is 111000223206157. The reversal of 111000223206137 is 731602322000111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 99709890714256 + 11290332491881 = 9985484^2 + 3360109^2 .

It is a cyclic number.

It is not a de Polignac number, because 111000223206137 - 2⁶ = 111000223206073 is a prime.

It is not a weakly prime, because it can be changed into another prime (111000223206157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55500111603068 + 55500111603069.

It is an arithmetic number, because the mean of its divisors is an integer number (55500111603069).

Almost surely, 2^{111000223206137} is an apocalyptic number.

It is an amenable number.

111000223206137 is a deficient number, since it is larger than the sum of its proper divisors (1).

111000223206137 is an equidigital number, since it uses as much as digits as its factorization.

111000223206137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 29.

Adding to 111000223206137 its reverse (731602322000111), we get a palindrome (842602545206248).

The spelling of 111000223206137 in words is "one hundred eleven trillion, two hundred twenty-three million, two hundred six thousand, one hundred thirty-seven".