20222211221112 has 96 divisors (see below), whose sum is σ = 54096320110320. Its totient is φ = 6297914634240.

The previous prime is 20222211221039. The next prime is 20222211221117. The reversal of 20222211221112 is 21112211222202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20222211221117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9690439 + ... + 11590902.

Almost surely, 2^{20222211221112} is an apocalyptic number.

It is an amenable number.

20222211221112 is an abundant number, since it is smaller than the sum of its proper divisors (33874108889208).

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

20222211221112 is a wasteful number, since it uses less digits than its factorization.

20222211221112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21281521 (or 21281500 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 20222211221112 its reverse (21112211222202), we get a palindrome (41334422443314).

The spelling of 20222211221112 in words is "twenty trillion, two hundred twenty-two billion, two hundred eleven million, two hundred twenty-one thousand, one hundred twelve".