1113331002281 has 2 divisors, whose sum is σ = 1113331002282. Its totient is φ = 1113331002280.

The previous prime is 1113331002193. The next prime is 1113331002341. The reversal of 1113331002281 is 1822001333111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1089969408256 + 23361594025 = 1044016^2 + 152845^2 .

It is a cyclic number.

It is not a de Polignac number, because 1113331002281 - 2³⁴ = 1096151133097 is a prime.

It is a super-2 number, since 2×1113331002281² (a number of 25 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 1113331002281.

It is not a weakly prime, because it can be changed into another prime (1113331092281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556665501140 + 556665501141.

It is an arithmetic number, because the mean of its divisors is an integer number (556665501141).

Almost surely, 2^{1113331002281} is an apocalyptic number.

It is an amenable number.

1113331002281 is a deficient number, since it is larger than the sum of its proper divisors (1).

1113331002281 is an equidigital number, since it uses as much as digits as its factorization.

1113331002281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 26.

Adding to 1113331002281 its reverse (1822001333111), we get a palindrome (2935332335392).

The spelling of 1113331002281 in words is "one trillion, one hundred thirteen billion, three hundred thirty-one million, two thousand, two hundred eighty-one".