2213021123321 has 4 divisors (see below), whose sum is σ = 2225384370000. Its totient is φ = 2200657876644.

The previous prime is 2213021123267. The next prime is 2213021123323. The reversal of 2213021123321 is 1233211203122.

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 2213021123321 - 2³⁸ = 1938143216377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2213021123323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6181623071 + ... + 6181623428.

It is an arithmetic number, because the mean of its divisors is an integer number (556346092500).

Almost surely, 2^{2213021123321} is an apocalyptic number.

It is an amenable number.

2213021123321 is a deficient number, since it is larger than the sum of its proper divisors (12363246679).

2213021123321 is a wasteful number, since it uses less digits than its factorization.

2213021123321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12363246678.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 2213021123321 its reverse (1233211203122), we get a palindrome (3446232326443).

The spelling of 2213021123321 in words is "two trillion, two hundred thirteen billion, twenty-one million, one hundred twenty-three thousand, three hundred twenty-one".