22021200020112 has 20 divisors (see below), whose sum is σ = 56888100052080. Its totient is φ = 7340400006688.

The previous prime is 22021200020093. The next prime is 22021200020179. The reversal of 22021200020112 is 21102000212022.

It is a junction number, because it is equal to n+sod(n) for n = 22021200020091 and 22021200020100.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 229387500162 + ... + 229387500257.

It is an arithmetic number, because the mean of its divisors is an integer number (2844405002604).

Almost surely, 2^{22021200020112} is an apocalyptic number.

It is an amenable number.

22021200020112 is an abundant number, since it is smaller than the sum of its proper divisors (34866900031968).

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

22021200020112 is a wasteful number, since it uses less digits than its factorization.

22021200020112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458775000430 (or 458775000424 counting only the distinct ones).

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

Adding to 22021200020112 its reverse (21102000212022), we get a palindrome (43123200232134).

The spelling of 22021200020112 in words is "twenty-two trillion, twenty-one billion, two hundred million, twenty thousand, one hundred twelve".