111333221212 has 12 divisors (see below), whose sum is σ = 194842585000. Its totient is φ = 55663911216.

The previous prime is 111333221201. The next prime is 111333221231. The reversal of 111333221212 is 212122333111.

It is a super-2 number, since 2×111333221212² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 580587 + ... + 748162.

Almost surely, 2^111333221212 is an apocalyptic number.

It is an amenable number.

111333221212 is a deficient number, since it is larger than the sum of its proper divisors (83509363788).

111333221212 is a wasteful number, since it uses less digits than its factorization.

111333221212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1349700 (or 1349698 counting only the distinct ones).

The product of its digits is 432, while the sum is 22.

Adding to 111333221212 its reverse (212122333111), we get a palindrome (323455554323).

The spelling of 111333221212 in words is "one hundred eleven billion, three hundred thirty-three million, two hundred twenty-one thousand, two hundred twelve".