1113222112321 has 16 divisors (see below), whose sum is σ = 1232232326208. Its totient is φ = 997206336000.

The previous prime is 1113222112217. The next prime is 1113222112337. The reversal of 1113222112321 is 1232112223111.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1113222112321 - 2²⁷ = 1113087894593 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1113222112292 and 1113222112301.

It is not an unprimeable number, because it can be changed into a prime (1113222112421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 184425 + ... + 1503481.

It is an arithmetic number, because the mean of its divisors is an integer number (77014520388).

Almost surely, 2^{1113222112321} is an apocalyptic number.

1113222112321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1113222112321 is a deficient number, since it is larger than the sum of its proper divisors (119010213887).

1113222112321 is a wasteful number, since it uses less digits than its factorization.

1113222112321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1320192.

The product of its digits is 288, while the sum is 22.

Adding to 1113222112321 its reverse (1232112223111), we get a palindrome (2345334335432).

The spelling of 1113222112321 in words is "one trillion, one hundred thirteen billion, two hundred twenty-two million, one hundred twelve thousand, three hundred twenty-one".