11222101211121 has 12 divisors (see below), whose sum is σ = 16647801797172. Its totient is φ = 7279200785376.

The previous prime is 11222101211089. The next prime is 11222101211197. The reversal of 11222101211121 is 12111210122211.

It is a happy number.

11222101211121 is a `hidden beast` number, since 1 + 122 + 210 + 1 + 211 + 121 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3801189712896 + 7420911498225 = 1949664^2 + 2724135^2 .

It is not a de Polignac number, because 11222101211121 - 2⁵ = 11222101211089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11222101211094 and 11222101211103.

It is not an unprimeable number, because it can be changed into a prime (11222101211221) 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, 16850001486 + ... + 16850002151.

It is an arithmetic number, because the mean of its divisors is an integer number (1387316816431).

Almost surely, 2^{11222101211121} is an apocalyptic number.

It is an amenable number.

11222101211121 is a deficient number, since it is larger than the sum of its proper divisors (5425700586051).

11222101211121 is a wasteful number, since it uses less digits than its factorization.

11222101211121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33700003680 (or 33700003677 counting only the distinct ones).

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

Adding to 11222101211121 its reverse (12111210122211), we get a palindrome (23333311333332).

The spelling of 11222101211121 in words is "eleven trillion, two hundred twenty-two billion, one hundred one million, two hundred eleven thousand, one hundred twenty-one".