2110223203221 has 16 divisors (see below), whose sum is σ = 3215813212800. Its totient is φ = 1205753706048.

The previous prime is 2110223203199. The next prime is 2110223203241. The reversal of 2110223203221 is 1223023220112.

It is not a de Polignac number, because 2110223203221 - 2⁶ = 2110223203157 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2110223203241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3377106 + ... + 3952883.

It is an arithmetic number, because the mean of its divisors is an integer number (200988325800).

Almost surely, 2^{2110223203221} is an apocalyptic number.

2110223203221 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2110223203221 is a deficient number, since it is larger than the sum of its proper divisors (1105590009579).

2110223203221 is a wasteful number, since it uses less digits than its factorization.

2110223203221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7343708.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 2110223203221 its reverse (1223023220112), we get a palindrome (3333246423333).

The spelling of 2110223203221 in words is "two trillion, one hundred ten billion, two hundred twenty-three million, two hundred three thousand, two hundred twenty-one".