133223221112 has 16 divisors (see below), whose sum is σ = 249830156400. Its totient is φ = 66601846080.

The previous prime is 133223221111. The next prime is 133223221121. The reversal of 133223221112 is 211122322331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133223221111) 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, 1162412 + ... + 1271867.

It is an arithmetic number, because the mean of its divisors is an integer number (15614384775).

Almost surely, 2^133223221112 is an apocalyptic number.

It is an amenable number.

133223221112 is a deficient number, since it is larger than the sum of its proper divisors (116606935288).

133223221112 is a wasteful number, since it uses less digits than its factorization.

133223221112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2441126 (or 2441122 counting only the distinct ones).

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

Adding to 133223221112 its reverse (211122322331), we get a palindrome (344345543443).

The spelling of 133223221112 in words is "one hundred thirty-three billion, two hundred twenty-three million, two hundred twenty-one thousand, one hundred twelve".