1113021103221 has 8 divisors (see below), whose sum is σ = 1648920152960. Its totient is φ = 742014068796.

The previous prime is 1113021103213. The next prime is 1113021103231. The reversal of 1113021103221 is 1223011203111.

1113021103221 is a `hidden beast` number, since 1 + 1 + 130 + 211 + 0 + 322 + 1 = 666.

It is not a de Polignac number, because 1113021103221 - 2³ = 1113021103213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1113021103194 and 1113021103203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113021103231) 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 7 ways as a sum of consecutive naturals, for example, 20611501885 + ... + 20611501938.

It is an arithmetic number, because the mean of its divisors is an integer number (206115019120).

Almost surely, 2^{1113021103221} is an apocalyptic number.

It is an amenable number.

1113021103221 is a deficient number, since it is larger than the sum of its proper divisors (535899049739).

1113021103221 is an equidigital number, since it uses as much as digits as its factorization.

1113021103221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41223003832 (or 41223003826 counting only the distinct ones).

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

Adding to 1113021103221 its reverse (1223011203111), we get a palindrome (2336032306332).

The spelling of 1113021103221 in words is "one trillion, one hundred thirteen billion, twenty-one million, one hundred three thousand, two hundred twenty-one".