11020140240281 has 2 divisors, whose sum is σ = 11020140240282. Its totient is φ = 11020140240280.

The previous prime is 11020140240199. The next prime is 11020140240337. The reversal of 11020140240281 is 18204204102011.

11020140240281 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9060756191881 + 1959384048400 = 3010109^2 + 1399780^2 .

It is a cyclic number.

It is not a de Polignac number, because 11020140240281 - 2²² = 11020136045977 is a prime.

It is a super-2 number, since 2×11020140240281² (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 11020140240281.

It is not a weakly prime, because it can be changed into another prime (11020140248281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5510070120140 + 5510070120141.

It is an arithmetic number, because the mean of its divisors is an integer number (5510070120141).

Almost surely, 2^{11020140240281} is an apocalyptic number.

It is an amenable number.

11020140240281 is a deficient number, since it is larger than the sum of its proper divisors (1).

11020140240281 is an equidigital number, since it uses as much as digits as its factorization.

11020140240281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1024, while the sum is 26.

Adding to 11020140240281 its reverse (18204204102011), we get a palindrome (29224344342292).

The spelling of 11020140240281 in words is "eleven trillion, twenty billion, one hundred forty million, two hundred forty thousand, two hundred eighty-one".