11266621100281 has 2 divisors, whose sum is σ = 11266621100282. Its totient is φ = 11266621100280.

The previous prime is 11266621100227. The next prime is 11266621100311. The reversal of 11266621100281 is 18200112666211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9803730850281 + 1462890250000 = 3131091^2 + 1209500^2 .

It is a cyclic number.

It is not a de Polignac number, because 11266621100281 - 2¹¹ = 11266621098233 is a prime.

It is a super-2 number, since 2×11266621100281² (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 11266621100281.

It is not a weakly prime, because it can be changed into another prime (11266621104281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5633310550140 + 5633310550141.

It is an arithmetic number, because the mean of its divisors is an integer number (5633310550141).

Almost surely, 2^{11266621100281} is an apocalyptic number.

It is an amenable number.

11266621100281 is a deficient number, since it is larger than the sum of its proper divisors (1).

11266621100281 is an equidigital number, since it uses as much as digits as its factorization.

11266621100281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 37.

Adding to 11266621100281 its reverse (18200112666211), we get a palindrome (29466733766492).

The spelling of 11266621100281 in words is "eleven trillion, two hundred sixty-six billion, six hundred twenty-one million, one hundred thousand, two hundred eighty-one".