1121531064223 has 2 divisors, whose sum is σ = 1121531064224. Its totient is φ = 1121531064222.

The previous prime is 1121531064169. The next prime is 1121531064229. The reversal of 1121531064223 is 3224601351211.

It is a strong prime.

It is an emirp because it is prime and its reverse (3224601351211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1121531064223 - 2⁹ = 1121531063711 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1121531064229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560765532111 + 560765532112.

It is an arithmetic number, because the mean of its divisors is an integer number (560765532112).

Almost surely, 2^{1121531064223} is an apocalyptic number.

1121531064223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121531064223 is an equidigital number, since it uses as much as digits as its factorization.

1121531064223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 31.

The spelling of 1121531064223 in words is "one trillion, one hundred twenty-one billion, five hundred thirty-one million, sixty-four thousand, two hundred twenty-three".