1121122223211 has 8 divisors (see below), whose sum is σ = 1494874216080. Its totient is φ = 747392522912.

The previous prime is 1121122223197. The next prime is 1121122223297. The reversal of 1121122223211 is 1123222211211.

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

It is a cyclic number.

It is not a de Polignac number, because 1121122223211 - 2¹⁵ = 1121122190443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1121122222211) 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, 5455440 + ... + 5657213.

It is an arithmetic number, because the mean of its divisors is an integer number (186859277010).

Almost surely, 2^{1121122223211} is an apocalyptic number.

1121122223211 is a deficient number, since it is larger than the sum of its proper divisors (373751992869).

1121122223211 is a wasteful number, since it uses less digits than its factorization.

1121122223211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11146285.

The product of its digits is 192, while the sum is 21.

Adding to 1121122223211 its reverse (1123222211211), we get a palindrome (2244344434422).

The spelling of 1121122223211 in words is "one trillion, one hundred twenty-one billion, one hundred twenty-two million, two hundred twenty-three thousand, two hundred eleven".