42110022310991 has 2 divisors, whose sum is σ = 42110022310992. Its totient is φ = 42110022310990.

The previous prime is 42110022310919. The next prime is 42110022311053. The reversal of 42110022310991 is 19901322001124.

It is a happy number.

42110022310991 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with previous prime (42110022310919) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42110022310991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42110022510991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21055011155495 + 21055011155496.

It is an arithmetic number, because the mean of its divisors is an integer number (21055011155496).

Almost surely, 2^{42110022310991} is an apocalyptic number.

42110022310991 is a deficient number, since it is larger than the sum of its proper divisors (1).

42110022310991 is an equidigital number, since it uses as much as digits as its factorization.

42110022310991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 35.

The spelling of 42110022310991 in words is "forty-two trillion, one hundred ten billion, twenty-two million, three hundred ten thousand, nine hundred ninety-one".