22120222120112 has 40 divisors (see below), whose sum is σ = 45153570514800. Its totient is φ = 10468719009792.

The previous prime is 22120222120081. The next prime is 22120222120121. The reversal of 22120222120112 is 21102122202122.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31881713 + ... + 32568144.

It is an arithmetic number, because the mean of its divisors is an integer number (1128839262870).

Almost surely, 2^{22120222120112} is an apocalyptic number.

It is an amenable number.

22120222120112 is an abundant number, since it is smaller than the sum of its proper divisors (23033348394688).

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

22120222120112 is a wasteful number, since it uses less digits than its factorization.

22120222120112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64451013 (or 64451007 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 22120222120112 its reverse (21102122202122), we get a palindrome (43222344322234).

The spelling of 22120222120112 in words is "twenty-two trillion, one hundred twenty billion, two hundred twenty-two million, one hundred twenty thousand, one hundred twelve".