1100210230991 has 2 divisors, whose sum is σ = 1100210230992. Its totient is φ = 1100210230990.

The previous prime is 1100210230979. The next prime is 1100210231017. The reversal of 1100210230991 is 1990320120011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1100210230991 - 2²² = 1100206036687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1100210230921) 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, 550105115495 + 550105115496.

It is an arithmetic number, because the mean of its divisors is an integer number (550105115496).

Almost surely, 2^{1100210230991} is an apocalyptic number.

1100210230991 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100210230991 is an equidigital number, since it uses as much as digits as its factorization.

1100210230991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 29.

The spelling of 1100210230991 in words is "one trillion, one hundred billion, two hundred ten million, two hundred thirty thousand, nine hundred ninety-one".