111444333212 has 6 divisors (see below), whose sum is σ = 195027583128. Its totient is φ = 55722166604.

The previous prime is 111444333211. The next prime is 111444333223. The reversal of 111444333212 is 212333444111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111444333211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13930541648 + ... + 13930541655.

It is an arithmetic number, because the mean of its divisors is an integer number (32504597188).

Almost surely, 2^111444333212 is an apocalyptic number.

It is an amenable number.

111444333212 is a deficient number, since it is larger than the sum of its proper divisors (83583249916).

111444333212 is a wasteful number, since it uses less digits than its factorization.

111444333212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27861083307 (or 27861083305 counting only the distinct ones).

The product of its digits is 6912, while the sum is 29.

Adding to 111444333212 its reverse (212333444111), we get a palindrome (323777777323).

The spelling of 111444333212 in words is "one hundred eleven billion, four hundred forty-four million, three hundred thirty-three thousand, two hundred twelve".