11220122120212 has 12 divisors (see below), whose sum is σ = 19635248295040. Its totient is φ = 5610051178776.

The previous prime is 11220122120191. The next prime is 11220122120227. The reversal of 11220122120212 is 21202122102211.

It is a super-2 number, since 2×11220122120212² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11220122120212.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 474589 + ... + 4760827.

Almost surely, 2^{11220122120212} is an apocalyptic number.

It is an amenable number.

11220122120212 is a deficient number, since it is larger than the sum of its proper divisors (8415126174828).

11220122120212 is a wasteful number, since it uses less digits than its factorization.

11220122120212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4940670 (or 4940668 counting only the distinct ones).

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

Adding to 11220122120212 its reverse (21202122102211), we get a palindrome (32422244222423).

The spelling of 11220122120212 in words is "eleven trillion, two hundred twenty billion, one hundred twenty-two million, one hundred twenty thousand, two hundred twelve".