321442141221201 has 128 divisors (see below), whose sum is σ = 600487994695680. Its totient is φ = 147431618611200.

The previous prime is 321442141221137. The next prime is 321442141221203. The reversal of 321442141221201 is 102122141244123.

It is a happy number.

It is not a de Polignac number, because 321442141221201 - 2⁶ = 321442141221137 is a prime.

It is a super-2 number, since 2×321442141221201² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (321442141221203) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2935999381 + ... + 2936108861.

It is an arithmetic number, because the mean of its divisors is an integer number (4691312458560).

Almost surely, 2^{321442141221201} is an apocalyptic number.

It is an amenable number.

321442141221201 is a deficient number, since it is larger than the sum of its proper divisors (279045853474479).

321442141221201 is a wasteful number, since it uses less digits than its factorization.

321442141221201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152047.

The product of its (nonzero) digits is 6144, while the sum is 30.

Adding to 321442141221201 its reverse (102122141244123), we get a palindrome (423564282465324).

The spelling of 321442141221201 in words is "three hundred twenty-one trillion, four hundred forty-two billion, one hundred forty-one million, two hundred twenty-one thousand, two hundred one".