11221101677 has 2 divisors, whose sum is σ = 11221101678. Its totient is φ = 11221101676.

The previous prime is 11221101673. The next prime is 11221101709. The reversal of 11221101677 is 77610112211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10914816676 + 306285001 = 104474^2 + 17501^2 .

It is an emirp because it is prime and its reverse (77610112211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11221101677 - 2² = 11221101673 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11221101673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5610550838 + 5610550839.

It is an arithmetic number, because the mean of its divisors is an integer number (5610550839).

Almost surely, 2^11221101677 is an apocalyptic number.

It is an amenable number.

11221101677 is a deficient number, since it is larger than the sum of its proper divisors (1).

11221101677 is an equidigital number, since it uses as much as digits as its factorization.

11221101677 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1176, while the sum is 29.

Adding to 11221101677 its reverse (77610112211), we get a palindrome (88831213888).

The spelling of 11221101677 in words is "eleven billion, two hundred twenty-one million, one hundred one thousand, six hundred seventy-seven".