111201412291 has 2 divisors, whose sum is σ = 111201412292. Its totient is φ = 111201412290.

The previous prime is 111201412249. The next prime is 111201412303. The reversal of 111201412291 is 192214102111.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111201412291 is a prime.

It is not a weakly prime, because it can be changed into another prime (111201422291) 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, 55600706145 + 55600706146.

It is an arithmetic number, because the mean of its divisors is an integer number (55600706146).

Almost surely, 2^111201412291 is an apocalyptic number.

111201412291 is a deficient number, since it is larger than the sum of its proper divisors (1).

111201412291 is an equidigital number, since it uses as much as digits as its factorization.

111201412291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 25.

The spelling of 111201412291 in words is "one hundred eleven billion, two hundred one million, four hundred twelve thousand, two hundred ninety-one".