2112102442223 has 4 divisors (see below), whose sum is σ = 2112109047840. Its totient is φ = 2112095836608.

The previous prime is 2112102442207. The next prime is 2112102442243. The reversal of 2112102442223 is 3222442012112.

It is a happy number.

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 2112102442223 - 2⁴ = 2112102442207 is a prime.

It is a super-2 number, since 2×2112102442223² (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 = 2112102442192 and 2112102442201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112102442243) 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, 2797415 + ... + 3471272.

It is an arithmetic number, because the mean of its divisors is an integer number (528027261960).

Almost surely, 2^{2112102442223} is an apocalyptic number.

2112102442223 is a deficient number, since it is larger than the sum of its proper divisors (6605617).

2112102442223 is an equidigital number, since it uses as much as digits as its factorization.

2112102442223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6605616.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 2112102442223 its reverse (3222442012112), we get a palindrome (5334544454335).

The spelling of 2112102442223 in words is "two trillion, one hundred twelve billion, one hundred two million, four hundred forty-two thousand, two hundred twenty-three".