1121123220233 has 4 divisors (see below), whose sum is σ = 1121350587408. Its totient is φ = 1120895853060.

The previous prime is 1121123220229. The next prime is 1121123220289. The reversal of 1121123220233 is 3320223211211.

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 a cyclic number.

It is not a de Polignac number, because 1121123220233 - 2² = 1121123220229 is a prime.

It is a super-2 number, since 2×1121123220233² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1121123220199 and 1121123220208.

It is not an unprimeable number, because it can be changed into a prime (1121123220293) 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, 113676191 + ... + 113686052.

It is an arithmetic number, because the mean of its divisors is an integer number (280337646852).

Almost surely, 2^{1121123220233} is an apocalyptic number.

It is an amenable number.

1121123220233 is a deficient number, since it is larger than the sum of its proper divisors (227367175).

1121123220233 is an equidigital number, since it uses as much as digits as its factorization.

1121123220233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227367174.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 1121123220233 its reverse (3320223211211), we get a palindrome (4441346431444).

The spelling of 1121123220233 in words is "one trillion, one hundred twenty-one billion, one hundred twenty-three million, two hundred twenty thousand, two hundred thirty-three".