111331101133312 has 20 divisors (see below), whose sum is σ = 222444758710746. Its totient is φ = 55665550566400.

The previous prime is 111331101133297. The next prime is 111331101133313. The reversal of 111331101133312 is 213331101133111.

It can be written as a sum of positive squares in only one way, i.e., 59704921794816 + 51626179338496 = 7726896^2 + 7185136^2 .

It is a super-2 number, since 2×111331101133312² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (111331101133313) 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 as a sum of consecutive naturals, namely, 108721777939 + ... + 108721778962.

Almost surely, 2^{111331101133312} is an apocalyptic number.

It is an amenable number.

111331101133312 is a deficient number, since it is larger than the sum of its proper divisors (111113657577434).

111331101133312 is an frugal number, since it uses more digits than its factorization.

111331101133312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217443556919 (or 217443556903 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 25.

Adding to 111331101133312 its reverse (213331101133111), we get a palindrome (324662202266423).

The spelling of 111331101133312 in words is "one hundred eleven trillion, three hundred thirty-one billion, one hundred one million, one hundred thirty-three thousand, three hundred twelve".