111233413221 has 16 divisors (see below), whose sum is σ = 170040073344. Its totient is φ = 63358873344.

The previous prime is 111233413219. The next prime is 111233413261. The reversal of 111233413221 is 122314332111.

It is not a de Polignac number, because 111233413221 - 2¹ = 111233413219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111233413191 and 111233413200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111233413261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8454816 + ... + 8467961.

It is an arithmetic number, because the mean of its divisors is an integer number (10627504584).

Almost surely, 2^111233413221 is an apocalyptic number.

It is an amenable number.

111233413221 is a deficient number, since it is larger than the sum of its proper divisors (58806660123).

111233413221 is a wasteful number, since it uses less digits than its factorization.

111233413221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16923100.

The product of its digits is 864, while the sum is 24.

Adding to 111233413221 its reverse (122314332111), we get a palindrome (233547745332).

The spelling of 111233413221 in words is "one hundred eleven billion, two hundred thirty-three million, four hundred thirteen thousand, two hundred twenty-one".