1121320131033 has 4 divisors (see below), whose sum is σ = 1495093508048. Its totient is φ = 747546754020.

The previous prime is 1121320131031. The next prime is 1121320131077. The reversal of 1121320131033 is 3301310231211.

It is a happy number.

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 not a de Polignac number, because 1121320131033 - 2¹ = 1121320131031 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1121320131031) 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, 186886688503 + ... + 186886688508.

It is an arithmetic number, because the mean of its divisors is an integer number (373773377012).

Almost surely, 2^{1121320131033} is an apocalyptic number.

It is an amenable number.

1121320131033 is a deficient number, since it is larger than the sum of its proper divisors (373773377015).

1121320131033 is an equidigital number, since it uses as much as digits as its factorization.

1121320131033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373773377014.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 1121320131033 its reverse (3301310231211), we get a palindrome (4422630362244).

The spelling of 1121320131033 in words is "one trillion, one hundred twenty-one billion, three hundred twenty million, one hundred thirty-one thousand, thirty-three".