321022122401421 has 12 divisors (see below), whose sum is σ = 529941281424672. Its totient is φ = 183441212800776.

The previous prime is 321022122401377. The next prime is 321022122401557. The reversal of 321022122401421 is 124104221220123.

321022122401421 is a `hidden beast` number, since 3 + 2 + 1 + 0 + 2 + 212 + 2 + 401 + 42 + 1 = 666.

It is not a de Polignac number, because 321022122401421 - 2⁷ = 321022122401293 is a prime.

It is a super-3 number, since 3×321022122401421³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321022122401921) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2547794622171 + ... + 2547794622296.

It is an arithmetic number, because the mean of its divisors is an integer number (44161773452056).

Almost surely, 2^{321022122401421} is an apocalyptic number.

It is an amenable number.

321022122401421 is a deficient number, since it is larger than the sum of its proper divisors (208919159023251).

321022122401421 is a wasteful number, since it uses less digits than its factorization.

321022122401421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5095589244480 (or 5095589244477 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

Adding to 321022122401421 its reverse (124104221220123), we get a palindrome (445126343621544).

The spelling of 321022122401421 in words is "three hundred twenty-one trillion, twenty-two billion, one hundred twenty-two million, four hundred one thousand, four hundred twenty-one".