10111110011281 has 2 divisors, whose sum is σ = 10111110011282. Its totient is φ = 10111110011280.

The previous prime is 10111110011209. The next prime is 10111110011291. The reversal of 10111110011281 is 18211001111101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8470108019025 + 1641001992256 = 2910345^2 + 1281016^2 .

It is a cyclic number.

It is not a de Polignac number, because 10111110011281 - 2¹⁹ = 10111109486993 is a prime.

It is a super-2 number, since 2×10111110011281² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10111110011291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5055555005640 + 5055555005641.

It is an arithmetic number, because the mean of its divisors is an integer number (5055555005641).

Almost surely, 2^{10111110011281} is an apocalyptic number.

It is an amenable number.

10111110011281 is a deficient number, since it is larger than the sum of its proper divisors (1).

10111110011281 is an equidigital number, since it uses as much as digits as its factorization.

10111110011281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 19.

Adding to 10111110011281 its reverse (18211001111101), we get a palindrome (28322111122382).

The spelling of 10111110011281 in words is "ten trillion, one hundred eleven billion, one hundred ten million, eleven thousand, two hundred eighty-one".