1102320012491 has 2 divisors, whose sum is σ = 1102320012492. Its totient is φ = 1102320012490.

The previous prime is 1102320012397. The next prime is 1102320012503. The reversal of 1102320012491 is 1942100232011.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1102320012491 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1102320012491.

It is not a weakly prime, because it can be changed into another prime (1102320012091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551160006245 + 551160006246.

It is an arithmetic number, because the mean of its divisors is an integer number (551160006246).

Almost surely, 2^{1102320012491} is an apocalyptic number.

1102320012491 is a deficient number, since it is larger than the sum of its proper divisors (1).

1102320012491 is an equidigital number, since it uses as much as digits as its factorization.

1102320012491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 26.

The spelling of 1102320012491 in words is "one trillion, one hundred two billion, three hundred twenty million, twelve thousand, four hundred ninety-one".