1121133323213 has 4 divisors (see below), whose sum is σ = 1121693052288. Its totient is φ = 1120573594140.

The previous prime is 1121133323207. The next prime is 1121133323249. The reversal of 1121133323213 is 3123233311211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1121133323213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121133328213) 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, 279861533 + ... + 279865538.

It is an arithmetic number, because the mean of its divisors is an integer number (280423263072).

Almost surely, 2^{1121133323213} is an apocalyptic number.

It is an amenable number.

1121133323213 is a deficient number, since it is larger than the sum of its proper divisors (559729075).

1121133323213 is an equidigital number, since it uses as much as digits as its factorization.

1121133323213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559729074.

The product of its digits is 1944, while the sum is 26.

Adding to 1121133323213 its reverse (3123233311211), we get a palindrome (4244366634424).

The spelling of 1121133323213 in words is "one trillion, one hundred twenty-one billion, one hundred thirty-three million, three hundred twenty-three thousand, two hundred thirteen".