2112212023 has 4 divisors (see below), whose sum is σ = 2112308008. Its totient is φ = 2112116040.

The previous prime is 2112211967. The next prime is 2112212029. The reversal of 2112212023 is 3202122112.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2112212023 - 2¹³ = 2112203831 is a prime.

It is a super-2 number, since 2×2112212023² = 8922879260211505058, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2112211988 and 2112212006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112212029) 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, 3265 + ... + 65077.

It is an arithmetic number, because the mean of its divisors is an integer number (528077002).

Almost surely, 2^2112212023 is an apocalyptic number.

2112212023 is a deficient number, since it is larger than the sum of its proper divisors (95985).

2112212023 is an equidigital number, since it uses as much as digits as its factorization.

2112212023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95984.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 2112212023 is about 45958.8078935910. The cubic root of 2112212023 is about 1283.0566643402.

Adding to 2112212023 its reverse (3202122112), we get a palindrome (5314334135).

The spelling of 2112212023 in words is "two billion, one hundred twelve million, two hundred twelve thousand, twenty-three".