201111111139 has 2 divisors, whose sum is σ = 201111111140. Its totient is φ = 201111111138.

The previous prime is 201111111133. The next prime is 201111111161. The reversal of 201111111139 is 931111111102.

It is an a-pointer prime, because the next prime (201111111161) can be obtained adding 201111111139 to its sum of digits (22).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 201111111139 - 2²⁹ = 200574240227 is a prime.

It is not a weakly prime, because it can be changed into another prime (201111111133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100555555569 + 100555555570.

It is an arithmetic number, because the mean of its divisors is an integer number (100555555570).

Almost surely, 2^201111111139 is an apocalyptic number.

201111111139 is a deficient number, since it is larger than the sum of its proper divisors (1).

201111111139 is an equidigital number, since it uses as much as digits as its factorization.

201111111139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54, while the sum is 22.

The spelling of 201111111139 in words is "two hundred one billion, one hundred eleven million, one hundred eleven thousand, one hundred thirty-nine".