1113301223221 has 16 divisors (see below), whose sum is σ = 1239356593728. Its totient is φ = 991446476800.

The previous prime is 1113301223219. The next prime is 1113301223227. The reversal of 1113301223221 is 1223221033111.

It is a cyclic number.

It is not a de Polignac number, because 1113301223221 - 2¹ = 1113301223219 is a prime.

It is a super-2 number, since 2×1113301223221² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1113301223192 and 1113301223201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113301223227) 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, 1115851 + ... + 1863256.

It is an arithmetic number, because the mean of its divisors is an integer number (77459787108).

Almost surely, 2^{1113301223221} is an apocalyptic number.

1113301223221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1113301223221 is a deficient number, since it is larger than the sum of its proper divisors (126055370507).

1113301223221 is a wasteful number, since it uses less digits than its factorization.

1113301223221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2979812.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 1113301223221 its reverse (1223221033111), we get a palindrome (2336522256332).

The spelling of 1113301223221 in words is "one trillion, one hundred thirteen billion, three hundred one million, two hundred twenty-three thousand, two hundred twenty-one".