1121233233111 has 4 divisors (see below), whose sum is σ = 1494977644152. Its totient is φ = 747488822072.

The previous prime is 1121233233097. The next prime is 1121233233119. The reversal of 1121233233111 is 1113323321211.

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 1121233233111 - 2⁵ = 1121233233079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121233233119) 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, 186872205516 + ... + 186872205521.

It is an arithmetic number, because the mean of its divisors is an integer number (373744411038).

Almost surely, 2^{1121233233111} is an apocalyptic number.

1121233233111 is a deficient number, since it is larger than the sum of its proper divisors (373744411041).

1121233233111 is an equidigital number, since it uses as much as digits as its factorization.

1121233233111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373744411040.

The product of its digits is 648, while the sum is 24.

Adding to 1121233233111 its reverse (1113323321211), we get a palindrome (2234556554322).

The spelling of 1121233233111 in words is "one trillion, one hundred twenty-one billion, two hundred thirty-three million, two hundred thirty-three thousand, one hundred eleven".