11122021212112 has 80 divisors (see below), whose sum is σ = 22167382571712. Its totient is φ = 5403815055360.

The previous prime is 11122021212067. The next prime is 11122021212143. The reversal of 11122021212112 is 21121212022111.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 11122021212112.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53196003 + ... + 53404669.

Almost surely, 2^{11122021212112} is an apocalyptic number.

It is an amenable number.

11122021212112 is a deficient number, since it is larger than the sum of its proper divisors (11045361359600).

11122021212112 is a wasteful number, since it uses less digits than its factorization.

11122021212112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209396 (or 209390 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 11122021212112 its reverse (21121212022111), we get a palindrome (32243233234223).

The spelling of 11122021212112 in words is "eleven trillion, one hundred twenty-two billion, twenty-one million, two hundred twelve thousand, one hundred twelve".