2122012111223 has 2 divisors, whose sum is σ = 2122012111224. Its totient is φ = 2122012111222.

The previous prime is 2122012111211. The next prime is 2122012111249. The reversal of 2122012111223 is 3221112102212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2122012111223 - 2¹⁸ = 2122011849079 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2122012111195 and 2122012111204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2122012111273) 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 as a sum of consecutive naturals, namely, 1061006055611 + 1061006055612.

It is an arithmetic number, because the mean of its divisors is an integer number (1061006055612).

Almost surely, 2^{2122012111223} is an apocalyptic number.

2122012111223 is a deficient number, since it is larger than the sum of its proper divisors (1).

2122012111223 is an equidigital number, since it uses as much as digits as its factorization.

2122012111223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 2122012111223 its reverse (3221112102212), we get a palindrome (5343124213435).

The spelling of 2122012111223 in words is "two trillion, one hundred twenty-two billion, twelve million, one hundred eleven thousand, two hundred twenty-three".