111231323214 has 48 divisors (see below), whose sum is σ = 245548558080. Its totient is φ = 33565378000.

The previous prime is 111231323131. The next prime is 111231323219. The reversal of 111231323214 is 412323132111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111231323219) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 147012 + ... + 494039.

It is an arithmetic number, because the mean of its divisors is an integer number (5115594960).

Almost surely, 2^111231323214 is an apocalyptic number.

111231323214 is an abundant number, since it is smaller than the sum of its proper divisors (134317234866).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111231323214 is a wasteful number, since it uses less digits than its factorization.

111231323214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641317 (or 641306 counting only the distinct ones).

The product of its digits is 864, while the sum is 24.

Adding to 111231323214 its reverse (412323132111), we get a palindrome (523554455325).

The spelling of 111231323214 in words is "one hundred eleven billion, two hundred thirty-one million, three hundred twenty-three thousand, two hundred fourteen".