11122020221212 has 12 divisors (see below), whose sum is σ = 19467500289160. Its totient is φ = 5559877281456.

The previous prime is 11122020221209. The next prime is 11122020221237. The reversal of 11122020221212 is 21212202022111.

It is a self number, because there is not a number n which added to its sum of digits gives 11122020221212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 283185198 + ... + 283224469.

Almost surely, 2^{11122020221212} is an apocalyptic number.

It is an amenable number.

11122020221212 is a deficient number, since it is larger than the sum of its proper divisors (8345480067948).

11122020221212 is a wasteful number, since it uses less digits than its factorization.

11122020221212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 566414580 (or 566414578 counting only the distinct ones).

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

Adding to 11122020221212 its reverse (21212202022111), we get a palindrome (32334222243323).

The spelling of 11122020221212 in words is "eleven trillion, one hundred twenty-two billion, twenty million, two hundred twenty-one thousand, two hundred twelve".