1112223331221 has 16 divisors (see below), whose sum is σ = 1523313144000. Its totient is φ = 721314937728.

The previous prime is 1112223331201. The next prime is 1112223331267. The reversal of 1112223331221 is 1221333222111.

It is not a de Polignac number, because 1112223331221 - 2²⁶ = 1112156222357 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1112223331191 and 1112223331200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112223331201) 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, 249171 + ... + 1512128.

It is an arithmetic number, because the mean of its divisors is an integer number (95207071500).

Almost surely, 2^{1112223331221} is an apocalyptic number.

It is an amenable number.

1112223331221 is a deficient number, since it is larger than the sum of its proper divisors (411089812779).

1112223331221 is a wasteful number, since it uses less digits than its factorization.

1112223331221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1767028.

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

Adding to 1112223331221 its reverse (1221333222111), we get a palindrome (2333556553332).

It can be divided in two parts, 111222 and 3331221, that added together give a palindrome (3442443).

The spelling of 1112223331221 in words is "one trillion, one hundred twelve billion, two hundred twenty-three million, three hundred thirty-one thousand, two hundred twenty-one".