20212031322222 has 48 divisors (see below), whose sum is σ = 41880251707632. Its totient is φ = 6502816902400.

The previous prime is 20212031322181. The next prime is 20212031322227. The reversal of 20212031322222 is 22222313021202.

It is a junction number, because it is equal to n+sod(n) for n = 20212031322192 and 20212031322201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20212031322227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14243722 + ... + 15598322.

It is an arithmetic number, because the mean of its divisors is an integer number (872505243909).

Almost surely, 2^{20212031322222} is an apocalyptic number.

20212031322222 is an abundant number, since it is smaller than the sum of its proper divisors (21668220385410).

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

20212031322222 is a wasteful number, since it uses less digits than its factorization.

20212031322222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1357621 (or 1357592 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 20212031322222 its reverse (22222313021202), we get a palindrome (42434344343424).

The spelling of 20212031322222 in words is "twenty trillion, two hundred twelve billion, thirty-one million, three hundred twenty-two thousand, two hundred twenty-two".