111201221122323 has 16 divisors (see below), whose sum is σ = 156274975689120. Its totient is φ = 70227273019904.

The previous prime is 111201221122319. The next prime is 111201221122373. The reversal of 111201221122323 is 323221122102111.

It is not a de Polignac number, because 111201221122323 - 2² = 111201221122319 is a prime.

It is a super-3 number, since 3×111201221122323³ (a number of 43 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111201221122293 and 111201221122302.

It is not an unprimeable number, because it can be changed into a prime (111201221122373) 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 15 ways as a sum of consecutive naturals, for example, 12058249686 + ... + 12058258907.

It is an arithmetic number, because the mean of its divisors is an integer number (9767185980570).

Almost surely, 2^{111201221122323} is an apocalyptic number.

111201221122323 is a deficient number, since it is larger than the sum of its proper divisors (45073754566797).

111201221122323 is a wasteful number, since it uses less digits than its factorization.

111201221122323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24116508678.

The product of its (nonzero) digits is 576, while the sum is 24.

Adding to 111201221122323 its reverse (323221122102111), we get a palindrome (434422343224434).

The spelling of 111201221122323 in words is "one hundred eleven trillion, two hundred one billion, two hundred twenty-one million, one hundred twenty-two thousand, three hundred twenty-three".