111021222323 has 24 divisors (see below), whose sum is σ = 125080147920. Its totient is φ = 98436888000.

The previous prime is 111021222311. The next prime is 111021222407. The reversal of 111021222323 is 323222120111.

It is not a de Polignac number, because 111021222323 - 2⁴ = 111021222307 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111021222295 and 111021222304.

It is not an unprimeable number, because it can be changed into a prime (111021228323) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 751013 + ... + 886601.

It is an arithmetic number, because the mean of its divisors is an integer number (5211672830).

Almost surely, 2^111021222323 is an apocalyptic number.

111021222323 is a deficient number, since it is larger than the sum of its proper divisors (14058925597).

111021222323 is a wasteful number, since it uses less digits than its factorization.

111021222323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135779 (or 135768 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 111021222323 its reverse (323222120111), we get a palindrome (434243342434).

The spelling of 111021222323 in words is "one hundred eleven billion, twenty-one million, two hundred twenty-two thousand, three hundred twenty-three".