111220122301223 has 16 divisors (see below), whose sum is σ = 120716010038400. Its totient is φ = 101859555702240.

The previous prime is 111220122301193. The next prime is 111220122301229. The reversal of 111220122301223 is 322103221022111.

It is a cyclic number.

It is not a de Polignac number, because 111220122301223 - 2¹⁸ = 111220122039079 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 (111220122301229) 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, 17334593 + ... + 22867626.

It is an arithmetic number, because the mean of its divisors is an integer number (7544750627400).

Almost surely, 2^{111220122301223} is an apocalyptic number.

111220122301223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

111220122301223 is a deficient number, since it is larger than the sum of its proper divisors (9495887737177).

111220122301223 is a wasteful number, since it uses less digits than its factorization.

111220122301223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40203902.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 111220122301223 its reverse (322103221022111), we get a palindrome (433323343323334).

The spelling of 111220122301223 in words is "one hundred eleven trillion, two hundred twenty billion, one hundred twenty-two million, three hundred one thousand, two hundred twenty-three".