11331223401 has 64 divisors (see below), whose sum is σ = 17629747200. Its totient is φ = 6421257216.

The previous prime is 11331223361. The next prime is 11331223411. The reversal of 11331223401 is 10432213311.

It is not a de Polignac number, because 11331223401 - 2¹¹ = 11331221353 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11331223411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8668990 + ... + 8670296.

It is an arithmetic number, because the mean of its divisors is an integer number (275464800).

Almost surely, 2^11331223401 is an apocalyptic number.

It is an amenable number.

11331223401 is a deficient number, since it is larger than the sum of its proper divisors (6298523799).

11331223401 is a wasteful number, since it uses less digits than its factorization.

11331223401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1758.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 11331223401 its reverse (10432213311), we get a palindrome (21763436712).

The spelling of 11331223401 in words is "eleven billion, three hundred thirty-one million, two hundred twenty-three thousand, four hundred one".