2211321432401 has 32 divisors (see below), whose sum is σ = 2268508032000. Its totient is φ = 2155202281152.

The previous prime is 2211321432367. The next prime is 2211321432409. The reversal of 2211321432401 is 1042341231122.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2211321432401 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2211321432409) 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, 732466670 + ... + 732469688.

It is an arithmetic number, because the mean of its divisors is an integer number (70890876000).

Almost surely, 2^{2211321432401} is an apocalyptic number.

It is an amenable number.

2211321432401 is a deficient number, since it is larger than the sum of its proper divisors (57186599599).

2211321432401 is a wasteful number, since it uses less digits than its factorization.

2211321432401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3701.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 2211321432401 its reverse (1042341231122), we get a palindrome (3253662663523).

The spelling of 2211321432401 in words is "two trillion, two hundred eleven billion, three hundred twenty-one million, four hundred thirty-two thousand, four hundred one".