111213444312111 has 16 divisors (see below), whose sum is σ = 154583490797568. Its totient is φ = 71040207156000.

The previous prime is 111213444312077. The next prime is 111213444312133.

It is a happy number.

111213444312111 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 111213444312111 - 2²² = 111213440117807 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111213444312151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5920007871 + ... + 5920026656.

It is an arithmetic number, because the mean of its divisors is an integer number (9661468174848).

Almost surely, 2^{111213444312111} is an apocalyptic number.

111213444312111 is a deficient number, since it is larger than the sum of its proper divisors (43370046485457).

111213444312111 is a wasteful number, since it uses less digits than its factorization.

111213444312111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11840034662.

The product of its digits is 2304, while the sum is 30.

The spelling of 111213444312111 in words is "one hundred eleven trillion, two hundred thirteen billion, four hundred forty-four million, three hundred twelve thousand, one hundred eleven".