2113320240221 has 4 divisors (see below), whose sum is σ = 2113587115200. Its totient is φ = 2113053365244.

The previous prime is 2113320240211. The next prime is 2113320240259. The reversal of 2113320240221 is 1220420233112.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2113320240221 - 2¹⁰ = 2113320239197 is a prime.

It is a super-2 number, since 2×2113320240221² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113320240211) 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, 133425611 + ... + 133441448.

It is an arithmetic number, because the mean of its divisors is an integer number (528396778800).

Almost surely, 2^{2113320240221} is an apocalyptic number.

It is an amenable number.

2113320240221 is a deficient number, since it is larger than the sum of its proper divisors (266874979).

2113320240221 is an equidigital number, since it uses as much as digits as its factorization.

2113320240221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266874978.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 2113320240221 its reverse (1220420233112), we get a palindrome (3333740473333).

The spelling of 2113320240221 in words is "two trillion, one hundred thirteen billion, three hundred twenty million, two hundred forty thousand, two hundred twenty-one".