401224013321 has 16 divisors (see below), whose sum is σ = 407756827008. Its totient is φ = 394755504000.

The previous prime is 401224013293. The next prime is 401224013329. The reversal of 401224013321 is 123310422104.

It is a cyclic number.

It is not a de Polignac number, because 401224013321 - 2⁶ = 401224013257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (401224013329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9142451 + ... + 9186231.

It is an arithmetic number, because the mean of its divisors is an integer number (25484801688).

Almost surely, 2^401224013321 is an apocalyptic number.

It is an amenable number.

401224013321 is a deficient number, since it is larger than the sum of its proper divisors (6532813687).

401224013321 is a wasteful number, since it uses less digits than its factorization.

401224013321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44512.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 401224013321 its reverse (123310422104), we get a palindrome (524534435425).

The spelling of 401224013321 in words is "four hundred one billion, two hundred twenty-four million, thirteen thousand, three hundred twenty-one".