22011330491 has 2 divisors, whose sum is σ = 22011330492. Its totient is φ = 22011330490.

The previous prime is 22011330461. The next prime is 22011330503. The reversal of 22011330491 is 19403311022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22011330491 - 2¹⁴ = 22011314107 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22011330491.

It is not a weakly prime, because it can be changed into another prime (22011330401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11005665245 + 11005665246.

It is an arithmetic number, because the mean of its divisors is an integer number (11005665246).

Almost surely, 2^22011330491 is an apocalyptic number.

22011330491 is a deficient number, since it is larger than the sum of its proper divisors (1).

22011330491 is an equidigital number, since it uses as much as digits as its factorization.

22011330491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 26.

The spelling of 22011330491 in words is "twenty-two billion, eleven million, three hundred thirty thousand, four hundred ninety-one".