1133221111223 has 4 divisors (see below), whose sum is σ = 1133228310480. Its totient is φ = 1133213911968.

The previous prime is 1133221111159. The next prime is 1133221111241. The reversal of 1133221111223 is 3221111223311.

It is a happy number.

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 1133221111223 - 2⁶ = 1133221111159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1133221119223) 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, 3358115 + ... + 3680132.

It is an arithmetic number, because the mean of its divisors is an integer number (283307077620).

Almost surely, 2^{1133221111223} is an apocalyptic number.

1133221111223 is a deficient number, since it is larger than the sum of its proper divisors (7199257).

1133221111223 is an equidigital number, since it uses as much as digits as its factorization.

1133221111223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7199256.

The product of its digits is 432, while the sum is 23.

Adding to 1133221111223 its reverse (3221111223311), we get a palindrome (4354332334534).

The spelling of 1133221111223 in words is "one trillion, one hundred thirty-three billion, two hundred twenty-one million, one hundred eleven thousand, two hundred twenty-three".