2113333433221 has 4 divisors (see below), whose sum is σ = 2114793927712. Its totient is φ = 2111872938732.

The previous prime is 2113333433207. The next prime is 2113333433311. The reversal of 2113333433221 is 1223343333112.

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 2113333433221 - 2⁷ = 2113333433093 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 (2113333433621) 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, 730245075 + ... + 730247968.

It is an arithmetic number, because the mean of its divisors is an integer number (528698481928).

Almost surely, 2^{2113333433221} is an apocalyptic number.

It is an amenable number.

2113333433221 is a deficient number, since it is larger than the sum of its proper divisors (1460494491).

2113333433221 is a wasteful number, since it uses less digits than its factorization.

2113333433221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1460494490.

The product of its digits is 23328, while the sum is 31.

Adding to 2113333433221 its reverse (1223343333112), we get a palindrome (3336676766333).

The spelling of 2113333433221 in words is "two trillion, one hundred thirteen billion, three hundred thirty-three million, four hundred thirty-three thousand, two hundred twenty-one".