111322032312 has 128 divisors (see below), whose sum is σ = 291801787200. Its totient is φ = 35352465408.

The previous prime is 111322032307. The next prime is 111322032317. The reversal of 111322032312 is 213230223111.

It is an interprime number because it is at equal distance from previous prime (111322032307) and next prime (111322032317).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111322032317) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26777338 + ... + 26781494.

Almost surely, 2^111322032312 is an apocalyptic number.

111322032312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111322032312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145900893600).

111322032312 is an abundant number, since it is smaller than the sum of its proper divisors (180479754888).

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

111322032312 is a wasteful number, since it uses less digits than its factorization.

111322032312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4825 (or 4821 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 111322032312 its reverse (213230223111), we get a palindrome (324552255423).

The spelling of 111322032312 in words is "one hundred eleven billion, three hundred twenty-two million, thirty-two thousand, three hundred twelve".