1113340403221 has 4 divisors (see below), whose sum is σ = 1140495047244. Its totient is φ = 1086185759200.

The previous prime is 1113340403177. The next prime is 1113340403299. The reversal of 1113340403221 is 1223040433111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 622095012900 + 491245390321 = 788730^2 + 700889^2 .

It is a cyclic number.

It is not a de Polignac number, because 1113340403221 - 2²⁵ = 1113306848789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113340406221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13577321950 + ... + 13577322031.

It is an arithmetic number, because the mean of its divisors is an integer number (285123761811).

Almost surely, 2^{1113340403221} is an apocalyptic number.

It is an amenable number.

1113340403221 is a deficient number, since it is larger than the sum of its proper divisors (27154644023).

1113340403221 is an equidigital number, since it uses as much as digits as its factorization.

1113340403221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27154644022.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 1113340403221 its reverse (1223040433111), we get a palindrome (2336380836332).

The spelling of 1113340403221 in words is "one trillion, one hundred thirteen billion, three hundred forty million, four hundred three thousand, two hundred twenty-one".