111328422271 has 4 divisors (see below), whose sum is σ = 121449187944. Its totient is φ = 101207656600.

The previous prime is 111328422269. The next prime is 111328422287. The reversal of 111328422271 is 172224823111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 172224823111 = 11 ⋅15656802101.

It is a cyclic number.

It is not a de Polignac number, because 111328422271 - 2¹ = 111328422269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111328422371) 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, 5060382820 + ... + 5060382841.

It is an arithmetic number, because the mean of its divisors is an integer number (30362296986).

Almost surely, 2^111328422271 is an apocalyptic number.

111328422271 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

111328422271 is a deficient number, since it is larger than the sum of its proper divisors (10120765673).

111328422271 is a wasteful number, since it uses less digits than its factorization.

111328422271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10120765672.

The product of its digits is 10752, while the sum is 34.

The spelling of 111328422271 in words is "one hundred eleven billion, three hundred twenty-eight million, four hundred twenty-two thousand, two hundred seventy-one".