1121343211983 has 4 divisors (see below), whose sum is σ = 1495124282648. Its totient is φ = 747562141320.

The previous prime is 1121343211931. The next prime is 1121343212051. The reversal of 1121343211983 is 3891123431211.

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

It is not a de Polignac number, because 1121343211983 - 2¹⁷ = 1121343080911 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 (1121343211283) 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, 186890535328 + ... + 186890535333.

It is an arithmetic number, because the mean of its divisors is an integer number (373781070662).

Almost surely, 2^{1121343211983} is an apocalyptic number.

1121343211983 is a deficient number, since it is larger than the sum of its proper divisors (373781070665).

1121343211983 is an equidigital number, since it uses as much as digits as its factorization.

1121343211983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373781070664.

The product of its digits is 31104, while the sum is 39.

The spelling of 1121343211983 in words is "one trillion, one hundred twenty-one billion, three hundred forty-three million, two hundred eleven thousand, nine hundred eighty-three".