2210211221223 has 4 divisors (see below), whose sum is σ = 2946948294968. Its totient is φ = 1473474147480.

The previous prime is 2210211221147. The next prime is 2210211221227. The reversal of 2210211221223 is 3221221120122.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2210211221223 - 2¹⁸ = 2210210959079 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 2210211221223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2210211221227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 368368536868 + ... + 368368536873.

It is an arithmetic number, because the mean of its divisors is an integer number (736737073742).

Almost surely, 2^{2210211221223} is an apocalyptic number.

2210211221223 is a deficient number, since it is larger than the sum of its proper divisors (736737073745).

2210211221223 is an equidigital number, since it uses as much as digits as its factorization.

2210211221223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 736737073744.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 2210211221223 its reverse (3221221120122), we get a palindrome (5431432341345).

The spelling of 2210211221223 in words is "two trillion, two hundred ten billion, two hundred eleven million, two hundred twenty-one thousand, two hundred twenty-three".