321211320120010 has 32 divisors (see below), whose sum is σ = 581344910099712. Its totient is φ = 127781813691840.

The previous prime is 321211320119947. The next prime is 321211320120037. The reversal of 321211320120010 is 10021023112123.

It is a self number, because there is not a number n which added to its sum of digits gives 321211320120010.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27224802 + ... + 37196941.

It is an arithmetic number, because the mean of its divisors is an integer number (18167028440616).

Almost surely, 2^{321211320120010} is an apocalyptic number.

321211320120010 is a deficient number, since it is larger than the sum of its proper divisors (260133589979702).

321211320120010 is a wasteful number, since it uses less digits than its factorization.

321211320120010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64424478.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 321211320120010 its reverse (10021023112123), we get a palindrome (331232343232133).

The spelling of 321211320120010 in words is "three hundred twenty-one trillion, two hundred eleven billion, three hundred twenty million, one hundred twenty thousand, ten".