11221989299 has 2 divisors, whose sum is σ = 11221989300. Its totient is φ = 11221989298.

The previous prime is 11221989293. The next prime is 11221989307. The reversal of 11221989299 is 99298912211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11221989299 - 2⁸ = 11221989043 is a prime.

It is a super-2 number, since 2×11221989299² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11221989299.

It is not a weakly prime, because it can be changed into another prime (11221989293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5610994649 + 5610994650.

It is an arithmetic number, because the mean of its divisors is an integer number (5610994650).

Almost surely, 2^11221989299 is an apocalyptic number.

11221989299 is a deficient number, since it is larger than the sum of its proper divisors (1).

11221989299 is an equidigital number, since it uses as much as digits as its factorization.

11221989299 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 419904, while the sum is 53.

The spelling of 11221989299 in words is "eleven billion, two hundred twenty-one million, nine hundred eighty-nine thousand, two hundred ninety-nine".