1100010210991 has 2 divisors, whose sum is σ = 1100010210992. Its totient is φ = 1100010210990.

The previous prime is 1100010210989. The next prime is 1100010211007. The reversal of 1100010210991 is 1990120100011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1100010210991 - 2¹ = 1100010210989 is a prime.

Together with 1100010210989, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1100010210911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550005105495 + 550005105496.

It is an arithmetic number, because the mean of its divisors is an integer number (550005105496).

Almost surely, 2^{1100010210991} is an apocalyptic number.

1100010210991 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100010210991 is an equidigital number, since it uses as much as digits as its factorization.

1100010210991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162, while the sum is 25.

The spelling of 1100010210991 in words is "one trillion, one hundred billion, ten million, two hundred ten thousand, nine hundred ninety-one".