22120210212112 has 40 divisors (see below), whose sum is σ = 43255416248000. Its totient is φ = 10957542406272.

The previous prime is 22120210212103. The next prime is 22120210212131. The reversal of 22120210212112 is 21121201202122.

It is a self number, because there is not a number n which added to its sum of digits gives 22120210212112.

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 7 ways as a sum of consecutive naturals, for example, 16984693 + ... + 18240619.

It is an arithmetic number, because the mean of its divisors is an integer number (1081385406200).

Almost surely, 2^{22120210212112} is an apocalyptic number.

It is an amenable number.

22120210212112 is a deficient number, since it is larger than the sum of its proper divisors (21135206035888).

22120210212112 is a wasteful number, since it uses less digits than its factorization.

22120210212112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1266143 (or 1266137 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 22120210212112 its reverse (21121201202122), we get a palindrome (43241411414234).

The spelling of 22120210212112 in words is "twenty-two trillion, one hundred twenty billion, two hundred ten million, two hundred twelve thousand, one hundred twelve".