1021233112247 has 2 divisors, whose sum is σ = 1021233112248. Its totient is φ = 1021233112246.

The previous prime is 1021233112181. The next prime is 1021233112307. The reversal of 1021233112247 is 7422113321201.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (7422113321201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1021233112247 - 2²⁶ = 1021166003383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1021233118247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510616556123 + 510616556124.

It is an arithmetic number, because the mean of its divisors is an integer number (510616556124).

Almost surely, 2^{1021233112247} is an apocalyptic number.

1021233112247 is a deficient number, since it is larger than the sum of its proper divisors (1).

1021233112247 is an equidigital number, since it uses as much as digits as its factorization.

1021233112247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 29.

Adding to 1021233112247 its reverse (7422113321201), we get a palindrome (8443346433448).

The spelling of 1021233112247 in words is "one trillion, twenty-one billion, two hundred thirty-three million, one hundred twelve thousand, two hundred forty-seven".