401422421321 has 16 divisors (see below), whose sum is σ = 432460343040. Its totient is φ = 371378967120.

The previous prime is 401422421317. The next prime is 401422421419. The reversal of 401422421321 is 123124224104.

It is a cyclic number.

It is not a de Polignac number, because 401422421321 - 2² = 401422421317 is a prime.

It is a super-2 number, since 2×401422421321² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (401422423321) 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 15 ways as a sum of consecutive naturals, for example, 4434806 + ... + 4524416.

It is an arithmetic number, because the mean of its divisors is an integer number (27028771440).

Almost surely, 2^401422421321 is an apocalyptic number.

It is an amenable number.

401422421321 is a deficient number, since it is larger than the sum of its proper divisors (31037921719).

401422421321 is a wasteful number, since it uses less digits than its factorization.

401422421321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95156.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 401422421321 its reverse (123124224104), we get a palindrome (524546645425).

The spelling of 401422421321 in words is "four hundred one billion, four hundred twenty-two million, four hundred twenty-one thousand, three hundred twenty-one".