11222011277 has 2 divisors, whose sum is σ = 11222011278. Its totient is φ = 11222011276.

The previous prime is 11222011201. The next prime is 11222011289. The reversal of 11222011277 is 77211022211.

11222011277 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5949653956 + 5272357321 = 77134^2 + 72611^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11222011277 is a prime.

It is a super-2 number, since 2×11222011277² (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 (11222011777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5611005638 + 5611005639.

It is an arithmetic number, because the mean of its divisors is an integer number (5611005639).

Almost surely, 2^11222011277 is an apocalyptic number.

It is an amenable number.

11222011277 is a deficient number, since it is larger than the sum of its proper divisors (1).

11222011277 is an equidigital number, since it uses as much as digits as its factorization.

11222011277 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 784, while the sum is 26.

Adding to 11222011277 its reverse (77211022211), we get a palindrome (88433033488).

The spelling of 11222011277 in words is "eleven billion, two hundred twenty-two million, eleven thousand, two hundred seventy-seven".