111101110121312 has 12 divisors (see below), whose sum is σ = 218730310551396. Its totient is φ = 55550555060640.

The previous prime is 111101110121231. The next prime is 111101110121369. The reversal of 111101110121312 is 213121011101111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1735954845614 + ... + 1735954845677.

It is an arithmetic number, because the mean of its divisors is an integer number (18227525879283).

Almost surely, 2^{111101110121312} is an apocalyptic number.

It is an amenable number.

111101110121312 is a deficient number, since it is larger than the sum of its proper divisors (107629200430084).

111101110121312 is an equidigital number, since it uses as much as digits as its factorization.

111101110121312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3471909691301 (or 3471909691293 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 17.

Adding to 111101110121312 its reverse (213121011101111), we get a palindrome (324222121222423).

The spelling of 111101110121312 in words is "one hundred eleven trillion, one hundred one billion, one hundred ten million, one hundred twenty-one thousand, three hundred twelve".