2122021210223 has 4 divisors (see below), whose sum is σ = 2122566861120. Its totient is φ = 2121475559328.

The previous prime is 2122021210213. The next prime is 2122021210259. The reversal of 2122021210223 is 3220121202212.

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

It is a cyclic number.

It is not a de Polignac number, because 2122021210223 - 2²⁶ = 2121954101359 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2122021210195 and 2122021210204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122021210213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 272819615 + ... + 272827392.

It is an arithmetic number, because the mean of its divisors is an integer number (530641715280).

Almost surely, 2^{2122021210223} is an apocalyptic number.

2122021210223 is a deficient number, since it is larger than the sum of its proper divisors (545650897).

2122021210223 is an equidigital number, since it uses as much as digits as its factorization.

2122021210223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545650896.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 2122021210223 its reverse (3220121202212), we get a palindrome (5342142412435).

The spelling of 2122021210223 in words is "two trillion, one hundred twenty-two billion, twenty-one million, two hundred ten thousand, two hundred twenty-three".