212221020002222 has 192 divisors, whose sum is σ = 421105682511360. Its totient is φ = 77914275840000.

The previous prime is 212221020002219. The next prime is 212221020002309. The reversal of 212221020002222 is 222200020122212.

It is a super-2 number, since 2×212221020002222² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212221020002194 and 212221020002203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 10730688398 + ... + 10730708174.

It is an arithmetic number, because the mean of its divisors is an integer number (2193258763080).

Almost surely, 2^{212221020002222} is an apocalyptic number.

212221020002222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

212221020002222 is a deficient number, since it is larger than the sum of its proper divisors (208884662509138).

212221020002222 is a wasteful number, since it uses less digits than its factorization.

212221020002222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20855 (or 20836 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 212221020002222 its reverse (222200020122212), we get a palindrome (434421040124434).

The spelling of 212221020002222 in words is "two hundred twelve trillion, two hundred twenty-one billion, twenty million, two thousand, two hundred twenty-two".