111343121343111 has 48 divisors (see below), whose sum is σ = 174426843961728. Its totient is φ = 62986915656000.

The previous prime is 111343121343107. The next prime is 111343121343127.

111343121343111 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 111343121343111 - 2² = 111343121343107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111343121343211) by changing a digit.

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 in 47 ways as a sum of consecutive naturals, for example, 120855936 + ... + 121773738.

It is an arithmetic number, because the mean of its divisors is an integer number (3633892582536).

Almost surely, 2^{111343121343111} is an apocalyptic number.

111343121343111 is a deficient number, since it is larger than the sum of its proper divisors (63083722618617).

111343121343111 is a wasteful number, since it uses less digits than its factorization.

111343121343111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 926092 (or 926085 counting only the distinct ones).

The product of its digits is 2592, while the sum is 30.

The spelling of 111343121343111 in words is "one hundred eleven trillion, three hundred forty-three billion, one hundred twenty-one million, three hundred forty-three thousand, one hundred eleven".