11321222020949 has 2 divisors, whose sum is σ = 11321222020950. Its totient is φ = 11321222020948.

The previous prime is 11321222020937. The next prime is 11321222021029. The reversal of 11321222020949 is 94902022212311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6464906293924 + 4856315727025 = 2542618^2 + 2203705^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11321222020949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11321227020949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5660611010474 + 5660611010475.

It is an arithmetic number, because the mean of its divisors is an integer number (5660611010475).

Almost surely, 2^{11321222020949} is an apocalyptic number.

It is an amenable number.

11321222020949 is a deficient number, since it is larger than the sum of its proper divisors (1).

11321222020949 is an equidigital number, since it uses as much as digits as its factorization.

11321222020949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 38.

The spelling of 11321222020949 in words is "eleven trillion, three hundred twenty-one billion, two hundred twenty-two million, twenty thousand, nine hundred forty-nine".