11021133449 has 2 divisors, whose sum is σ = 11021133450. Its totient is φ = 11021133448.

The previous prime is 11021133421. The next prime is 11021133467. The reversal of 11021133449 is 94433112011.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10658497600 + 362635849 = 103240^2 + 19043^2 .

It is a cyclic number.

It is not a de Polignac number, because 11021133449 - 2²⁸ = 10752697993 is a prime.

It is not a weakly prime, because it can be changed into another prime (11021133049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5510566724 + 5510566725.

It is an arithmetic number, because the mean of its divisors is an integer number (5510566725).

Almost surely, 2^11021133449 is an apocalyptic number.

It is an amenable number.

11021133449 is a deficient number, since it is larger than the sum of its proper divisors (1).

11021133449 is an equidigital number, since it uses as much as digits as its factorization.

11021133449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 29.

The spelling of 11021133449 in words is "eleven billion, twenty-one million, one hundred thirty-three thousand, four hundred forty-nine".