2120211321222 has 16 divisors (see below), whose sum is σ = 4463602781760. Its totient is φ = 669540417192.

The previous prime is 2120211321169. The next prime is 2120211321227. The reversal of 2120211321222 is 2221231120212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120211321227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9299172348 + ... + 9299172575.

It is an arithmetic number, because the mean of its divisors is an integer number (278975173860).

Almost surely, 2^{2120211321222} is an apocalyptic number.

2120211321222 is an abundant number, since it is smaller than the sum of its proper divisors (2343391460538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2120211321222 is a wasteful number, since it uses less digits than its factorization.

2120211321222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18598344947.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 2120211321222 its reverse (2221231120212), we get a palindrome (4341442441434).

The spelling of 2120211321222 in words is "two trillion, one hundred twenty billion, two hundred eleven million, three hundred twenty-one thousand, two hundred twenty-two".