321451211011 has 8 divisors (see below), whose sum is σ = 370743206240. Its totient is φ = 273001814208.

The previous prime is 321451210987. The next prime is 321451211027. The reversal of 321451211011 is 110112154123.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 321451211011 - 2⁹ = 321451210499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321451211071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 210648786 + ... + 210650311.

It is an arithmetic number, because the mean of its divisors is an integer number (46342900780).

Almost surely, 2^321451211011 is an apocalyptic number.

321451211011 is a deficient number, since it is larger than the sum of its proper divisors (49291995229).

321451211011 is a wasteful number, since it uses less digits than its factorization.

321451211011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421299213.

The product of its (nonzero) digits is 240, while the sum is 22.

Adding to 321451211011 its reverse (110112154123), we get a palindrome (431563365134).

The spelling of 321451211011 in words is "three hundred twenty-one billion, four hundred fifty-one million, two hundred eleven thousand, eleven".