111301211223 has 48 divisors (see below), whose sum is σ = 167833654560. Its totient is φ = 71024228352.

The previous prime is 111301211221. The next prime is 111301211237. The reversal of 111301211223 is 322112103111.

It is not a de Polignac number, because 111301211223 - 2¹ = 111301211221 is a prime.

It is a super-2 number, since 2×111301211223² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111301211196 and 111301211205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111301211221) 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 47 ways as a sum of consecutive naturals, for example, 3877761 + ... + 3906357.

It is an arithmetic number, because the mean of its divisors is an integer number (3496534470).

Almost surely, 2^111301211223 is an apocalyptic number.

111301211223 is a deficient number, since it is larger than the sum of its proper divisors (56532443337).

111301211223 is a wasteful number, since it uses less digits than its factorization.

111301211223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28848 (or 28845 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 111301211223 its reverse (322112103111), we get a palindrome (433413314334).

The spelling of 111301211223 in words is "one hundred eleven billion, three hundred one million, two hundred eleven thousand, two hundred twenty-three".