1121321033211 has 4 divisors (see below), whose sum is σ = 1495094710952. Its totient is φ = 747547355472.

The previous prime is 1121321033201. The next prime is 1121321033267. The reversal of 1121321033211 is 1123301231211.

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

It is not a de Polignac number, because 1121321033211 - 2⁵ = 1121321033179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1121321033201) 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, 186886838866 + ... + 186886838871.

It is an arithmetic number, because the mean of its divisors is an integer number (373773677738).

Almost surely, 2^{1121321033211} is an apocalyptic number.

1121321033211 is a deficient number, since it is larger than the sum of its proper divisors (373773677741).

1121321033211 is an equidigital number, since it uses as much as digits as its factorization.

1121321033211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373773677740.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 1121321033211 its reverse (1123301231211), we get a palindrome (2244622264422).

The spelling of 1121321033211 in words is "one trillion, one hundred twenty-one billion, three hundred twenty-one million, thirty-three thousand, two hundred eleven".