111211132310312 has 8 divisors (see below), whose sum is σ = 208520873081850. Its totient is φ = 55605566155152.

The previous prime is 111211132310269. The next prime is 111211132310329. The reversal of 111211132310312 is 213013231112111.

It can be written as a sum of positive squares in only one way, i.e., 77227432471396 + 33983699838916 = 8787914^2 + 5829554^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6950695769387 + ... + 6950695769402.

Almost surely, 2^{111211132310312} is an apocalyptic number.

It is an amenable number.

111211132310312 is a deficient number, since it is larger than the sum of its proper divisors (97309740771538).

111211132310312 is a wasteful number, since it uses less digits than its factorization.

111211132310312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13901391538795 (or 13901391538791 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 23.

Adding to 111211132310312 its reverse (213013231112111), we get a palindrome (324224363422423).

The spelling of 111211132310312 in words is "one hundred eleven trillion, two hundred eleven billion, one hundred thirty-two million, three hundred ten thousand, three hundred twelve".