1112321010991 has 2 divisors, whose sum is σ = 1112321010992. Its totient is φ = 1112321010990.

The previous prime is 1112321010973. The next prime is 1112321011069. The reversal of 1112321010991 is 1990101232111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1112321010991 - 2³¹ = 1110173527343 is a prime.

It is a super-3 number, since 3×1112321010991³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1112321010191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556160505495 + 556160505496.

It is an arithmetic number, because the mean of its divisors is an integer number (556160505496).

Almost surely, 2^{1112321010991} is an apocalyptic number.

1112321010991 is a deficient number, since it is larger than the sum of its proper divisors (1).

1112321010991 is an equidigital number, since it uses as much as digits as its factorization.

1112321010991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 31.

The spelling of 1112321010991 in words is "one trillion, one hundred twelve billion, three hundred twenty-one million, ten thousand, nine hundred ninety-one".