2110221200321 has 8 divisors (see below), whose sum is σ = 2277943885224. Its totient is φ = 1943269655040.

The previous prime is 2110221200303. The next prime is 2110221200359. The reversal of 2110221200321 is 1230021220112.

It can be written as a sum of positive squares in 4 ways, for example, as 77061760000 + 2033159440321 = 277600^2 + 1425889^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2110221200321 - 2¹⁴ = 2110221183937 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2110221200321.

It is not an unprimeable number, because it can be changed into a prime (2110221200221) 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, 192779216 + ... + 192790161.

It is an arithmetic number, because the mean of its divisors is an integer number (284742985653).

Almost surely, 2^{2110221200321} is an apocalyptic number.

It is an amenable number.

2110221200321 is a deficient number, since it is larger than the sum of its proper divisors (167722684903).

2110221200321 is a wasteful number, since it uses less digits than its factorization.

2110221200321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385569811.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 2110221200321 its reverse (1230021220112), we get a palindrome (3340242420433).

The spelling of 2110221200321 in words is "two trillion, one hundred ten billion, two hundred twenty-one million, two hundred thousand, three hundred twenty-one".