2112212022023 has 4 divisors (see below), whose sum is σ = 2112217829280. Its totient is φ = 2112206214768.

The previous prime is 2112212021999. The next prime is 2112212022079. The reversal of 2112212022023 is 3202202122112.

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

It is a cyclic number.

It is not a de Polignac number, because 2112212022023 - 2¹⁰ = 2112212020999 is a prime.

It is a super-2 number, since 2×2112212022023² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2112212021986 and 2112212022004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112212025023) 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 3 ways as a sum of consecutive naturals, for example, 2318783 + ... + 3098576.

It is an arithmetic number, because the mean of its divisors is an integer number (528054457320).

Almost surely, 2^{2112212022023} is an apocalyptic number.

2112212022023 is a deficient number, since it is larger than the sum of its proper divisors (5807257).

2112212022023 is an equidigital number, since it uses as much as digits as its factorization.

2112212022023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5807256.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 2112212022023 its reverse (3202202122112), we get a palindrome (5314414144135).

The spelling of 2112212022023 in words is "two trillion, one hundred twelve billion, two hundred twelve million, twenty-two thousand, twenty-three".