2101222323 has 8 divisors (see below), whose sum is σ = 3112922000. Its totient is φ = 1400814864.

The previous prime is 2101222307. The next prime is 2101222327. The reversal of 2101222323 is 3232221012.

It is not a de Polignac number, because 2101222323 - 2⁴ = 2101222307 is a prime.

It is a super-3 number, since 3×2101222323³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2101222296 and 2101222305.

It is not an unprimeable number, because it can be changed into a prime (2101222327) 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, 38911498 + ... + 38911551.

It is an arithmetic number, because the mean of its divisors is an integer number (389115250).

Almost surely, 2^2101222323 is an apocalyptic number.

2101222323 is a deficient number, since it is larger than the sum of its proper divisors (1011699677).

2101222323 is an equidigital number, since it uses as much as digits as its factorization.

2101222323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77823058 (or 77823052 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2101222323 is about 45839.0916467593. The cubic root of 2101222323 is about 1280.8275741573.

Adding to 2101222323 its reverse (3232221012), we get a palindrome (5333443335).

The spelling of 2101222323 in words is "two billion, one hundred one million, two hundred twenty-two thousand, three hundred twenty-three".