321330121020010 has 32 divisors (see below), whose sum is σ = 598483829813760. Its totient is φ = 124069838098752.

The previous prime is 321330121019933. The next prime is 321330121020023. The reversal of 321330121020010 is 10020121033123.

It is a self number, because there is not a number n which added to its sum of digits gives 321330121020010.

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, 133045344 + ... + 135439003.

It is an arithmetic number, because the mean of its divisors is an integer number (18702619681680).

Almost surely, 2^{321330121020010} is an apocalyptic number.

321330121020010 is a deficient number, since it is larger than the sum of its proper divisors (277153708793750).

321330121020010 is a wasteful number, since it uses less digits than its factorization.

321330121020010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268488510.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 321330121020010 its reverse (10020121033123), we get a palindrome (331350242053133).

The spelling of 321330121020010 in words is "three hundred twenty-one trillion, three hundred thirty billion, one hundred twenty-one million, twenty thousand, ten".