1131231021299 has 2 divisors, whose sum is σ = 1131231021300. Its totient is φ = 1131231021298.

The previous prime is 1131231021223. The next prime is 1131231021307. The reversal of 1131231021299 is 9921201321311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1131231021299 - 2¹⁶ = 1131230955763 is a prime.

It is not a weakly prime, because it can be changed into another prime (1131231021799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565615510649 + 565615510650.

It is an arithmetic number, because the mean of its divisors is an integer number (565615510650).

Almost surely, 2^{1131231021299} is an apocalyptic number.

1131231021299 is a deficient number, since it is larger than the sum of its proper divisors (1).

1131231021299 is an equidigital number, since it uses as much as digits as its factorization.

1131231021299 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 35.

The spelling of 1131231021299 in words is "one trillion, one hundred thirty-one billion, two hundred thirty-one million, twenty-one thousand, two hundred ninety-nine".