111201311312 has 40 divisors (see below), whose sum is σ = 265172361216. Its totient is φ = 43991726976.

The previous prime is 111201311311. The next prime is 111201311341. The reversal of 111201311312 is 213113102111.

It is a super-2 number, since 2×111201311312² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111201311311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38185808 + ... + 38188719.

Almost surely, 2^111201311312 is an apocalyptic number.

It is an amenable number.

111201311312 is an abundant number, since it is smaller than the sum of its proper divisors (153971049904).

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

111201311312 is a wasteful number, since it uses less digits than its factorization.

111201311312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76374555 (or 76374549 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 111201311312 its reverse (213113102111), we get a palindrome (324314413423).

The spelling of 111201311312 in words is "one hundred eleven billion, two hundred one million, three hundred eleven thousand, three hundred twelve".