1121223132313 has 8 divisors (see below), whose sum is σ = 1137082643136. Its totient is φ = 1105365500400.

The previous prime is 1121223132287. The next prime is 1121223132349. The reversal of 1121223132313 is 3132313221211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1121223132313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1121223132613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 754603 + ... + 1676863.

It is an arithmetic number, because the mean of its divisors is an integer number (142135330392).

Almost surely, 2^{1121223132313} is an apocalyptic number.

It is an amenable number.

1121223132313 is a deficient number, since it is larger than the sum of its proper divisors (15859510823).

1121223132313 is an equidigital number, since it uses as much as digits as its factorization.

1121223132313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 939455.

The product of its digits is 1296, while the sum is 25.

Adding to 1121223132313 its reverse (3132313221211), we get a palindrome (4253536353524).

The spelling of 1121223132313 in words is "one trillion, one hundred twenty-one billion, two hundred twenty-three million, one hundred thirty-two thousand, three hundred thirteen".