11050722821 has 2 divisors, whose sum is σ = 11050722822. Its totient is φ = 11050722820.

The previous prime is 11050722811. The next prime is 11050722827. The reversal of 11050722821 is 12822705011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6404800900 + 4645921921 = 80030^2 + 68161^2 .

It is an emirp because it is prime and its reverse (12822705011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11050722821 - 2⁶ = 11050722757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11050722827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5525361410 + 5525361411.

It is an arithmetic number, because the mean of its divisors is an integer number (5525361411).

Almost surely, 2^11050722821 is an apocalyptic number.

It is an amenable number.

11050722821 is a deficient number, since it is larger than the sum of its proper divisors (1).

11050722821 is an equidigital number, since it uses as much as digits as its factorization.

11050722821 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2240, while the sum is 29.

The spelling of 11050722821 in words is "eleven billion, fifty million, seven hundred twenty-two thousand, eight hundred twenty-one".