11212201112122 has 16 divisors (see below), whose sum is σ = 16839862869312. Its totient is φ = 5598914166720.

The previous prime is 11212201112117. The next prime is 11212201112173. The reversal of 11212201112122 is 22121110221211.

It is a happy number.

It is a super-3 number, since 3×11212201112122³ (a number of 40 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11212201112122.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35303698 + ... + 35619874.

It is an arithmetic number, because the mean of its divisors is an integer number (1052491429332).

Almost surely, 2^{11212201112122} is an apocalyptic number.

11212201112122 is a deficient number, since it is larger than the sum of its proper divisors (5627661757190).

11212201112122 is a wasteful number, since it uses less digits than its factorization.

11212201112122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338853.

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

Adding to 11212201112122 its reverse (22121110221211), we get a palindrome (33333311333333).

The spelling of 11212201112122 in words is "eleven trillion, two hundred twelve billion, two hundred one million, one hundred twelve thousand, one hundred twenty-two".