111324121423111 has 4 divisors (see below), whose sum is σ = 111334597026232. Its totient is φ = 111313645819992.

The previous prime is 111324121423103. The next prime is 111324121423117.

It is a happy number.

111324121423111 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 111324121423111 - 2³ = 111324121423103 is a prime.

It is a super-2 number, since 2×111324121423111² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 111324121423111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111324121423117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5237785620 + ... + 5237806873.

It is an arithmetic number, because the mean of its divisors is an integer number (27833649256558).

Almost surely, 2^{111324121423111} is an apocalyptic number.

111324121423111 is a deficient number, since it is larger than the sum of its proper divisors (10475603121).

111324121423111 is a wasteful number, since it uses less digits than its factorization.

111324121423111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10475603120.

The product of its digits is 1152, while the sum is 28.

The spelling of 111324121423111 in words is "one hundred eleven trillion, three hundred twenty-four billion, one hundred twenty-one million, four hundred twenty-three thousand, one hundred eleven".