11011022100977 has 2 divisors, whose sum is σ = 11011022100978. Its totient is φ = 11011022100976.

The previous prime is 11011022100971. The next prime is 11011022101007. The reversal of 11011022100977 is 77900122011011.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10330766650801 + 680255450176 = 3214151^2 + 824776^2 .

It is a cyclic number.

It is not a de Polignac number, because 11011022100977 - 2¹² = 11011022096881 is a prime.

It is not a weakly prime, because it can be changed into another prime (11011022100971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5505511050488 + 5505511050489.

It is an arithmetic number, because the mean of its divisors is an integer number (5505511050489).

Almost surely, 2^{11011022100977} is an apocalyptic number.

It is an amenable number.

11011022100977 is a deficient number, since it is larger than the sum of its proper divisors (1).

11011022100977 is an equidigital number, since it uses as much as digits as its factorization.

11011022100977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1764, while the sum is 32.

Adding to 11011022100977 its reverse (77900122011011), we get a palindrome (88911144111988).

The spelling of 11011022100977 in words is "eleven trillion, eleven billion, twenty-two million, one hundred thousand, nine hundred seventy-seven".