211122022100123 has 2 divisors, whose sum is σ = 211122022100124. Its totient is φ = 211122022100122.

The previous prime is 211122022100069. The next prime is 211122022100147. The reversal of 211122022100123 is 321001220221112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 211122022100123 - 2⁸ = 211122022099867 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 211122022100095 and 211122022100104.

It is not a weakly prime, because it can be changed into another prime (211122022100723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105561011050061 + 105561011050062.

It is an arithmetic number, because the mean of its divisors is an integer number (105561011050062).

Almost surely, 2^{211122022100123} is an apocalyptic number.

211122022100123 is a deficient number, since it is larger than the sum of its proper divisors (1).

211122022100123 is an equidigital number, since it uses as much as digits as its factorization.

211122022100123 is an evil number, because the sum of its binary digits is even.

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

Adding to 211122022100123 its reverse (321001220221112), we get a palindrome (532123242321235).

The spelling of 211122022100123 in words is "two hundred eleven trillion, one hundred twenty-two billion, twenty-two million, one hundred thousand, one hundred twenty-three".