20222021112 has 16 divisors (see below), whose sum is σ = 50555052840. Its totient is φ = 6740673696.

The previous prime is 20222021009. The next prime is 20222021161. The reversal of 20222021112 is 21112022202.

It is a junction number, because it is equal to n+sod(n) for n = 20222021091 and 20222021100.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 421292083 + ... + 421292130.

Almost surely, 2^20222021112 is an apocalyptic number.

It is an amenable number.

20222021112 is an abundant number, since it is smaller than the sum of its proper divisors (30333031728).

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

20222021112 is a wasteful number, since it uses less digits than its factorization.

20222021112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 842584222 (or 842584218 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 20222021112 its reverse (21112022202), we get a palindrome (41334043314).

The spelling of 20222021112 in words is "twenty billion, two hundred twenty-two million, twenty-one thousand, one hundred twelve".