20212012111222 has 8 divisors (see below), whose sum is σ = 30367476599616. Its totient is φ = 10089519911352.

The previous prime is 20212012111189. The next prime is 20212012111289. The reversal of 20212012111222 is 22211121021202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 20212012111222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8243070598 + ... + 8243073049.

It is an arithmetic number, because the mean of its divisors is an integer number (3795934574952).

Almost surely, 2^{20212012111222} is an apocalyptic number.

20212012111222 is a deficient number, since it is larger than the sum of its proper divisors (10155464488394).

20212012111222 is a wasteful number, since it uses less digits than its factorization.

20212012111222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16486144262.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 20212012111222 its reverse (22211121021202), we get a palindrome (42423133132424).

The spelling of 20212012111222 in words is "twenty trillion, two hundred twelve billion, twelve million, one hundred eleven thousand, two hundred twenty-two".