1201112110111 has 8 divisors (see below), whose sum is σ = 1253478960864. Its totient is φ = 1148757308160.

The previous prime is 1201112110069. The next prime is 1201112110123. The reversal of 1201112110111 is 1110112111021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1201112110111 - 2³³ = 1192522175519 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1201112110091 and 1201112110100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201112113111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2808186 + ... + 3207511.

It is an arithmetic number, because the mean of its divisors is an integer number (156684870108).

Almost surely, 2^{1201112110111} is an apocalyptic number.

1201112110111 is a deficient number, since it is larger than the sum of its proper divisors (52366850753).

1201112110111 is an equidigital number, since it uses as much as digits as its factorization.

1201112110111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6024401.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 1201112110111 its reverse (1110112111021), we get a palindrome (2311224221132).

The spelling of 1201112110111 in words is "one trillion, two hundred one billion, one hundred twelve million, one hundred ten thousand, one hundred eleven".