118211113331 has 2 divisors, whose sum is σ = 118211113332. Its totient is φ = 118211113330.

The previous prime is 118211113277. The next prime is 118211113369. The reversal of 118211113331 is 133311112811.

It is a strong prime.

It is an emirp because it is prime and its reverse (133311112811) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 118211113331 - 2¹⁴ = 118211096947 is a prime.

It is a super-2 number, since 2×118211113331² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 118211113331.

It is not a weakly prime, because it can be changed into another prime (118211113231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59105556665 + 59105556666.

It is an arithmetic number, because the mean of its divisors is an integer number (59105556666).

Almost surely, 2^118211113331 is an apocalyptic number.

118211113331 is a deficient number, since it is larger than the sum of its proper divisors (1).

118211113331 is an equidigital number, since it uses as much as digits as its factorization.

118211113331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 432, while the sum is 26.

The spelling of 118211113331 in words is "one hundred eighteen billion, two hundred eleven million, one hundred thirteen thousand, three hundred thirty-one".