2112122122333 has 4 divisors (see below), whose sum is σ = 2112127877340. Its totient is φ = 2112116367328.

The previous prime is 2112122122249. The next prime is 2112122122339. The reversal of 2112122122333 is 3332212212112.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1730745474084 + 381376648249 = 1315578^2 + 617557^2 .

It is a cyclic number.

It is not a de Polignac number, because 2112122122333 - 2⁹ = 2112122121821 is a prime.

It is a super-2 number, since 2×2112122122333² (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 = 2112122122298 and 2112122122307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112122122339) 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, 2286538 + ... + 3074491.

It is an arithmetic number, because the mean of its divisors is an integer number (528031969335).

Almost surely, 2^{2112122122333} is an apocalyptic number.

It is an amenable number.

2112122122333 is a deficient number, since it is larger than the sum of its proper divisors (5755007).

2112122122333 is an equidigital number, since it uses as much as digits as its factorization.

2112122122333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5755006.

The product of its digits is 1728, while the sum is 25.

Adding to 2112122122333 its reverse (3332212212112), we get a palindrome (5444334334445).

The spelling of 2112122122333 in words is "two trillion, one hundred twelve billion, one hundred twenty-two million, one hundred twenty-two thousand, three hundred thirty-three".