1121314443211 has 4 divisors (see below), whose sum is σ = 1142471319552. Its totient is φ = 1100157566872.

The previous prime is 1121314443203. The next prime is 1121314443253. The reversal of 1121314443211 is 1123444131211.

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 1121314443211 - 2³ = 1121314443203 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1121314443211.

It is not an unprimeable number, because it can be changed into a prime (1121314443511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10578438091 + ... + 10578438196.

It is an arithmetic number, because the mean of its divisors is an integer number (285617829888).

Almost surely, 2^{1121314443211} is an apocalyptic number.

1121314443211 is a deficient number, since it is larger than the sum of its proper divisors (21156876341).

1121314443211 is an equidigital number, since it uses as much as digits as its factorization.

1121314443211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21156876340.

The product of its digits is 2304, while the sum is 28.

Adding to 1121314443211 its reverse (1123444131211), we get a palindrome (2244758574422).

The spelling of 1121314443211 in words is "one trillion, one hundred twenty-one billion, three hundred fourteen million, four hundred forty-three thousand, two hundred eleven".