11230221949 has 2 divisors, whose sum is σ = 11230221950. Its totient is φ = 11230221948.

The previous prime is 11230221917. The next prime is 11230222001. The reversal of 11230221949 is 94912203211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7204953924 + 4025268025 = 84882^2 + 63445^2 .

It is a cyclic number.

It is not a de Polignac number, because 11230221949 - 2⁵ = 11230221917 is a prime.

It is a super-2 number, since 2×11230221949² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11230221049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5615110974 + 5615110975.

It is an arithmetic number, because the mean of its divisors is an integer number (5615110975).

Almost surely, 2^11230221949 is an apocalyptic number.

It is an amenable number.

11230221949 is a deficient number, since it is larger than the sum of its proper divisors (1).

11230221949 is an equidigital number, since it uses as much as digits as its factorization.

11230221949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 34.

The spelling of 11230221949 in words is "eleven billion, two hundred thirty million, two hundred twenty-one thousand, nine hundred forty-nine".