111211223132 has 6 divisors (see below), whose sum is σ = 194619640488. Its totient is φ = 55605611564.

The previous prime is 111211223131. The next prime is 111211223153. The reversal of 111211223132 is 231322112111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111211223131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13901402888 + ... + 13901402895.

It is an arithmetic number, because the mean of its divisors is an integer number (32436606748).

Almost surely, 2^111211223132 is an apocalyptic number.

It is an amenable number.

111211223132 is a deficient number, since it is larger than the sum of its proper divisors (83408417356).

111211223132 is a wasteful number, since it uses less digits than its factorization.

111211223132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27802805787 (or 27802805785 counting only the distinct ones).

The product of its digits is 144, while the sum is 20.

Adding to 111211223132 its reverse (231322112111), we get a palindrome (342533335243).

The spelling of 111211223132 in words is "one hundred eleven billion, two hundred eleven million, two hundred twenty-three thousand, one hundred thirty-two".