11211033424401 has 32 divisors (see below), whose sum is σ = 16647966720000. Its totient is φ = 7456462001424.

The previous prime is 11211033424361. The next prime is 11211033424433. The reversal of 11211033424401 is 10442433011211.

It is a happy number.

11211033424401 is a `hidden beast` number, since 1 + 1 + 211 + 0 + 3 + 3 + 4 + 2 + 440 + 1 = 666.

It is not a de Polignac number, because 11211033424401 - 2¹¹ = 11211033422353 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (11211033424501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 232093150 + ... + 232141448.

It is an arithmetic number, because the mean of its divisors is an integer number (520248960000).

Almost surely, 2^{11211033424401} is an apocalyptic number.

It is an amenable number.

11211033424401 is a deficient number, since it is larger than the sum of its proper divisors (5436933295599).

11211033424401 is a wasteful number, since it uses less digits than its factorization.

11211033424401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68330 (or 68324 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

Adding to 11211033424401 its reverse (10442433011211), we get a palindrome (21653466435612).

The spelling of 11211033424401 in words is "eleven trillion, two hundred eleven billion, thirty-three million, four hundred twenty-four thousand, four hundred one".