111121222092899 has 2 divisors, whose sum is σ = 111121222092900. Its totient is φ = 111121222092898.

The previous prime is 111121222092841. The next prime is 111121222092941. The reversal of 111121222092899 is 998290222121111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111121222092899 - 2¹⁶ = 111121222027363 is a prime.

It is not a weakly prime, because it can be changed into another prime (111121222092809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55560611046449 + 55560611046450.

It is an arithmetic number, because the mean of its divisors is an integer number (55560611046450).

Almost surely, 2^{111121222092899} is an apocalyptic number.

111121222092899 is a deficient number, since it is larger than the sum of its proper divisors (1).

111121222092899 is an equidigital number, since it uses as much as digits as its factorization.

111121222092899 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 186624, while the sum is 50.

The spelling of 111121222092899 in words is "one hundred eleven trillion, one hundred twenty-one billion, two hundred twenty-two million, ninety-two thousand, eight hundred ninety-nine".