321203343021010 has 16 divisors (see below), whose sum is σ = 578285695855872. Its totient is φ = 128454742004400.

The previous prime is 321203343021007. The next prime is 321203343021017. The reversal of 321203343021010 is 10120343302123.

It is a super-2 number, since 2×321203343021010² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (321203343021017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3324349776 + ... + 3324446395.

It is an arithmetic number, because the mean of its divisors is an integer number (36142855990992).

Almost surely, 2^{321203343021010} is an apocalyptic number.

321203343021010 is a deficient number, since it is larger than the sum of its proper divisors (257082352834862).

321203343021010 is a wasteful number, since it uses less digits than its factorization.

321203343021010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6648801009.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 321203343021010 its reverse (10120343302123), we get a palindrome (331323686323133).

The spelling of 321203343021010 in words is "three hundred twenty-one trillion, two hundred three billion, three hundred forty-three million, twenty-one thousand, ten".