22021120220212 has 12 divisors (see below), whose sum is σ = 38537361405760. Its totient is φ = 11010445532856.

The previous prime is 22021120220117. The next prime is 22021120220213. The reversal of 22021120220212 is 21202202112022.

It is a self number, because there is not a number n which added to its sum of digits gives 22021120220212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22021120220213) by changing a digit.

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, 28211148 + ... + 28981219.

Almost surely, 2^{22021120220212} is an apocalyptic number.

It is an amenable number.

22021120220212 is a deficient number, since it is larger than the sum of its proper divisors (16516241185548).

22021120220212 is a wasteful number, since it uses less digits than its factorization.

22021120220212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57288630 (or 57288628 counting only the distinct ones).

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

Adding to 22021120220212 its reverse (21202202112022), we get a palindrome (43223322332234).

The spelling of 22021120220212 in words is "twenty-two trillion, twenty-one billion, one hundred twenty million, two hundred twenty thousand, two hundred twelve".