321201400201001 has 4 divisors (see below), whose sum is σ = 321201486387600. Its totient is φ = 321201314014404.

The previous prime is 321201400200917. The next prime is 321201400201013. The reversal of 321201400201001 is 100102004102123.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 321201400201001 - 2¹⁴ = 321201400184617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321201400221001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37237871 + ... + 45045108.

It is an arithmetic number, because the mean of its divisors is an integer number (80300371596900).

Almost surely, 2^{321201400201001} is an apocalyptic number.

It is an amenable number.

321201400201001 is a deficient number, since it is larger than the sum of its proper divisors (86186599).

321201400201001 is an equidigital number, since it uses as much as digits as its factorization.

321201400201001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86186598.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 321201400201001 its reverse (100102004102123), we get a palindrome (421303404303124).

The spelling of 321201400201001 in words is "three hundred twenty-one trillion, two hundred one billion, four hundred million, two hundred one thousand, one".