22012200021112 has 32 divisors (see below), whose sum is σ = 47371442133600. Its totient is φ = 9393311591424.

The previous prime is 22012200021089. The next prime is 22012200021121. The reversal of 22012200021112 is 21112000221022.

It is a happy number.

It is a congruent number.

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, 843495537 + ... + 843521632.

It is an arithmetic number, because the mean of its divisors is an integer number (1480357566675).

Almost surely, 2^{22012200021112} is an apocalyptic number.

It is an amenable number.

22012200021112 is an abundant number, since it is smaller than the sum of its proper divisors (25359242112488).

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

22012200021112 is a wasteful number, since it uses less digits than its factorization.

22012200021112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1687017415 (or 1687017411 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 22012200021112 its reverse (21112000221022), we get a palindrome (43124200242134).

The spelling of 22012200021112 in words is "twenty-two trillion, twelve billion, two hundred million, twenty-one thousand, one hundred twelve".