11029112102881 has 2 divisors, whose sum is σ = 11029112102882. Its totient is φ = 11029112102880.

The previous prime is 11029112102861. The next prime is 11029112102923. The reversal of 11029112102881 is 18820121192011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10467871397281 + 561240705600 = 3235409^2 + 749160^2 .

It is an emirp because it is prime and its reverse (18820121192011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11029112102881 - 2⁵ = 11029112102849 is a prime.

It is a super-2 number, since 2×11029112102881² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11029112102881.

It is not a weakly prime, because it can be changed into another prime (11029112102861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5514556051440 + 5514556051441.

It is an arithmetic number, because the mean of its divisors is an integer number (5514556051441).

Almost surely, 2^{11029112102881} is an apocalyptic number.

It is an amenable number.

11029112102881 is a deficient number, since it is larger than the sum of its proper divisors (1).

11029112102881 is an equidigital number, since it uses as much as digits as its factorization.

11029112102881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 37.

Adding to 11029112102881 its reverse (18820121192011), we get a palindrome (29849233294892).

The spelling of 11029112102881 in words is "eleven trillion, twenty-nine billion, one hundred twelve million, one hundred two thousand, eight hundred eighty-one".