11122111022177 has 2 divisors, whose sum is σ = 11122111022178. Its totient is φ = 11122111022176.

The previous prime is 11122111022159. The next prime is 11122111022261. The reversal of 11122111022177 is 77122011122111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7695969253921 + 3426141768256 = 2774161^2 + 1850984^2 .

It is a cyclic number.

It is not a de Polignac number, because 11122111022177 - 2¹⁴ = 11122111005793 is a prime.

It is a super-2 number, since 2×11122111022177² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11122111022677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5561055511088 + 5561055511089.

It is an arithmetic number, because the mean of its divisors is an integer number (5561055511089).

Almost surely, 2^{11122111022177} is an apocalyptic number.

It is an amenable number.

11122111022177 is a deficient number, since it is larger than the sum of its proper divisors (1).

11122111022177 is an equidigital number, since it uses as much as digits as its factorization.

11122111022177 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 784, while the sum is 29.

Adding to 11122111022177 its reverse (77122011122111), we get a palindrome (88244122144288).

The spelling of 11122111022177 in words is "eleven trillion, one hundred twenty-two billion, one hundred eleven million, twenty-two thousand, one hundred seventy-seven".