20220222120112 has 120 divisors (see below), whose sum is σ = 48042328152240. Its totient is φ = 8197583546880.

The previous prime is 20220222120083. The next prime is 20220222120151. The reversal of 20220222120112 is 21102122202202.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 20220222120112.

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 23 ways as a sum of consecutive naturals, for example, 9082062 + ... + 11087122.

It is an arithmetic number, because the mean of its divisors is an integer number (400352734602).

Almost surely, 2^{20220222120112} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20220222120112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24021164076120).

20220222120112 is an abundant number, since it is smaller than the sum of its proper divisors (27822106032128).

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

20220222120112 is a wasteful number, since it uses less digits than its factorization.

20220222120112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2005779 (or 2005766 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 20220222120112 its reverse (21102122202202), we get a palindrome (41322344322314).

The spelling of 20220222120112 in words is "twenty trillion, two hundred twenty billion, two hundred twenty-two million, one hundred twenty thousand, one hundred twelve".