111400121223 has 24 divisors (see below), whose sum is σ = 161839794480. Its totient is φ = 73838407680.

The previous prime is 111400121221. The next prime is 111400121257. The reversal of 111400121223 is 322121004111.

It is not a de Polignac number, because 111400121223 - 2¹ = 111400121221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111400121196 and 111400121205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111400121221) 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, 11755015 + ... + 11764487.

It is an arithmetic number, because the mean of its divisors is an integer number (6743324770).

Almost surely, 2^111400121223 is an apocalyptic number.

111400121223 is a deficient number, since it is larger than the sum of its proper divisors (50439673257).

111400121223 is a wasteful number, since it uses less digits than its factorization.

111400121223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16879 (or 16876 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 111400121223 its reverse (322121004111), we get a palindrome (433521125334).

The spelling of 111400121223 in words is "one hundred eleven billion, four hundred million, one hundred twenty-one thousand, two hundred twenty-three".