321020211100120 has 64 divisors (see below), whose sum is σ = 830041208942400. Its totient is φ = 109455983562240.

The previous prime is 321020211100117. The next prime is 321020211100163. The reversal of 321020211100120 is 21001112020123.

It is a junction number, because it is equal to n+sod(n) for n = 321020211100094 and 321020211100103.

It is a congruent number.

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, 3167078475 + ... + 3167179834.

It is an arithmetic number, because the mean of its divisors is an integer number (12969393889725).

Almost surely, 2^{321020211100120} is an apocalyptic number.

It is an amenable number.

321020211100120 is an abundant number, since it is smaller than the sum of its proper divisors (509020997842280).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

321020211100120 is a wasteful number, since it uses less digits than its factorization.

321020211100120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6334258508 (or 6334258504 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 321020211100120 its reverse (21001112020123), we get a palindrome (342021323120243).

The spelling of 321020211100120 in words is "three hundred twenty-one trillion, twenty billion, two hundred eleven million, one hundred thousand, one hundred twenty".