11001121201122 has 32 divisors (see below), whose sum is σ = 23695473721920. Its totient is φ = 3384853064640.

The previous prime is 11001121201121. The next prime is 11001121201157. The reversal of 11001121201122 is 22110212110011.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (11001121201121) by changing a digit.

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, 258504 + ... + 4697772.

It is an arithmetic number, because the mean of its divisors is an integer number (740483553810).

Almost surely, 2^{11001121201122} is an apocalyptic number.

11001121201122 is an abundant number, since it is smaller than the sum of its proper divisors (12694352520798).

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

11001121201122 is a wasteful number, since it uses less digits than its factorization.

11001121201122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4471058.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 11001121201122 its reverse (22110212110011), we get a palindrome (33111333311133).

The spelling of 11001121201122 in words is "eleven trillion, one billion, one hundred twenty-one million, two hundred one thousand, one hundred twenty-two".