321021200011 has 8 divisors (see below), whose sum is σ = 331517749248. Its totient is φ = 310533465000.

The previous prime is 321021199831. The next prime is 321021200041. The reversal of 321021200011 is 110002120123.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-321021200011 is a prime.

It is a super-2 number, since 2×321021200011² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 321021199964 and 321021200000.

It is not an unprimeable number, because it can be changed into a prime (321021200041) 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, 2129485 + ... + 2275246.

It is an arithmetic number, because the mean of its divisors is an integer number (41439718656).

Almost surely, 2^321021200011 is an apocalyptic number.

321021200011 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

321021200011 is a deficient number, since it is larger than the sum of its proper divisors (10496549237).

321021200011 is a wasteful number, since it uses less digits than its factorization.

321021200011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4407113.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 321021200011 its reverse (110002120123), we get a palindrome (431023320134).

The spelling of 321021200011 in words is "three hundred twenty-one billion, twenty-one million, two hundred thousand, eleven".