1121331322099 has 4 divisors (see below), whose sum is σ = 1122252713064. Its totient is φ = 1120409931136.

The previous prime is 1121331322049. The next prime is 1121331322147. The reversal of 1121331322099 is 9902231331211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1121331322099 - 2²⁷ = 1121197104371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1121331322049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 460693657 + ... + 460696090.

It is an arithmetic number, because the mean of its divisors is an integer number (280563178266).

Almost surely, 2^{1121331322099} is an apocalyptic number.

1121331322099 is a deficient number, since it is larger than the sum of its proper divisors (921390965).

1121331322099 is an equidigital number, since it uses as much as digits as its factorization.

1121331322099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 921390964.

The product of its (nonzero) digits is 17496, while the sum is 37.

The spelling of 1121331322099 in words is "one trillion, one hundred twenty-one billion, three hundred thirty-one million, three hundred twenty-two thousand, ninety-nine".