1113021131273 has 2 divisors, whose sum is σ = 1113021131274. Its totient is φ = 1113021131272.

The previous prime is 1113021131237. The next prime is 1113021131281. The reversal of 1113021131273 is 3721311203111.

Together with previous prime (1113021131237) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 943748132089 + 169272999184 = 971467^2 + 411428^2 .

It is an emirp because it is prime and its reverse (3721311203111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1113021131273 - 2⁸ = 1113021131017 is a prime.

It is not a weakly prime, because it can be changed into another prime (1113021131473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556510565636 + 556510565637.

It is an arithmetic number, because the mean of its divisors is an integer number (556510565637).

Almost surely, 2^{1113021131273} is an apocalyptic number.

It is an amenable number.

1113021131273 is a deficient number, since it is larger than the sum of its proper divisors (1).

1113021131273 is an equidigital number, since it uses as much as digits as its factorization.

1113021131273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756, while the sum is 26.

Adding to 1113021131273 its reverse (3721311203111), we get a palindrome (4834332334384).

The spelling of 1113021131273 in words is "one trillion, one hundred thirteen billion, twenty-one million, one hundred thirty-one thousand, two hundred seventy-three".