12211121020112 has 20 divisors (see below), whose sum is σ = 27038910830496. Its totient is φ = 5233337580000.

The previous prime is 12211121020093. The next prime is 12211121020151. The reversal of 12211121020112 is 21102012111221.

It is a super-2 number, since 2×12211121020112² (a number of 27 digits) contains 22 as substring.

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, 54513933014 + ... + 54513933237.

Almost surely, 2^{12211121020112} is an apocalyptic number.

It is an amenable number.

12211121020112 is an abundant number, since it is smaller than the sum of its proper divisors (14827789810384).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12211121020112 is a wasteful number, since it uses less digits than its factorization.

12211121020112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109027866266 (or 109027866260 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 12211121020112 its reverse (21102012111221), we get a palindrome (33313133131333).

The spelling of 12211121020112 in words is "twelve trillion, two hundred eleven billion, one hundred twenty-one million, twenty thousand, one hundred twelve".