111223222322111 has 4 divisors (see below), whose sum is σ = 111224862826224. Its totient is φ = 111221581818000.

The previous prime is 111223222322041. The next prime is 111223222322153.

111223222322111 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 111223222322111 - 2¹⁸ = 111223222059967 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 (111223227322111) 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, 820150355 + ... + 820285956.

It is an arithmetic number, because the mean of its divisors is an integer number (27806215706556).

Almost surely, 2^{111223222322111} is an apocalyptic number.

111223222322111 is a deficient number, since it is larger than the sum of its proper divisors (1640504113).

111223222322111 is an equidigital number, since it uses as much as digits as its factorization.

111223222322111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1640504112.

The product of its digits is 1152, while the sum is 26.

The spelling of 111223222322111 in words is "one hundred eleven trillion, two hundred twenty-three billion, two hundred twenty-two million, three hundred twenty-two thousand, one hundred eleven".