11112202211121 has 12 divisors (see below), whose sum is σ = 17510136817680. Its totient is φ = 6734668006680.

The previous prime is 11112202211027. The next prime is 11112202211161. The reversal of 11112202211121 is 12111220221111.

It is a happy number.

11112202211121 is a `hidden beast` number, since 1 + 111 + 220 + 2 + 211 + 121 = 666.

11112202211121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11112202211121 - 2¹⁰ = 11112202210097 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11112202211094 and 11112202211103.

It is not an unprimeable number, because it can be changed into a prime (11112202211161) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56122233291 + ... + 56122233488.

It is an arithmetic number, because the mean of its divisors is an integer number (1459178068140).

Almost surely, 2^{11112202211121} is an apocalyptic number.

11112202211121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11112202211121 is a deficient number, since it is larger than the sum of its proper divisors (6397934606559).

11112202211121 is a wasteful number, since it uses less digits than its factorization.

11112202211121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112244466796 (or 112244466793 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 11112202211121 its reverse (12111220221111), we get a palindrome (23223422432232).

The spelling of 11112202211121 in words is "eleven trillion, one hundred twelve billion, two hundred two million, two hundred eleven thousand, one hundred twenty-one".