2120223133321 has 4 divisors (see below), whose sum is σ = 2120499463572. Its totient is φ = 2119946803072.

The previous prime is 2120223133291. The next prime is 2120223133403. The reversal of 2120223133321 is 1233313220212.

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 976264539721 + 1143958593600 = 988061^2 + 1069560^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2120223133321 is a prime.

It is a super-2 number, since 2×2120223133321² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2120223133121) 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, 138153616 + ... + 138168961.

It is an arithmetic number, because the mean of its divisors is an integer number (530124865893).

Almost surely, 2^{2120223133321} is an apocalyptic number.

It is an amenable number.

2120223133321 is a deficient number, since it is larger than the sum of its proper divisors (276330251).

2120223133321 is an equidigital number, since it uses as much as digits as its factorization.

2120223133321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276330250.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 2120223133321 its reverse (1233313220212), we get a palindrome (3353536353533).

The spelling of 2120223133321 in words is "two trillion, one hundred twenty billion, two hundred twenty-three million, one hundred thirty-three thousand, three hundred twenty-one".