11221000057 has 2 divisors, whose sum is σ = 11221000058. Its totient is φ = 11221000056.

The previous prime is 11221000051. The next prime is 11221000067. The reversal of 11221000057 is 75000012211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10247310441 + 973689616 = 101229^2 + 31204^2 .

It is a cyclic number.

It is not a de Polignac number, because 11221000057 - 2³¹ = 9073516409 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11220999998 and 11221000043.

It is not a weakly prime, because it can be changed into another prime (11221000051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5610500028 + 5610500029.

It is an arithmetic number, because the mean of its divisors is an integer number (5610500029).

Almost surely, 2^11221000057 is an apocalyptic number.

It is an amenable number.

11221000057 is a deficient number, since it is larger than the sum of its proper divisors (1).

11221000057 is an equidigital number, since it uses as much as digits as its factorization.

11221000057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 140, while the sum is 19.

Adding to 11221000057 its reverse (75000012211), we get a palindrome (86221012268).

The spelling of 11221000057 in words is "eleven billion, two hundred twenty-one million, fifty-seven", and thus it is an aban number.