212221100123003 has 2 divisors, whose sum is σ = 212221100123004. Its totient is φ = 212221100123002.

The previous prime is 212221100122921. The next prime is 212221100123017. The reversal of 212221100123003 is 300321001122212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212221100123003 - 2¹⁶ = 212221100057467 is a prime.

It is not a weakly prime, because it can be changed into another prime (212221100123033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106110550061501 + 106110550061502.

It is an arithmetic number, because the mean of its divisors is an integer number (106110550061502).

Almost surely, 2^{212221100123003} is an apocalyptic number.

212221100123003 is a deficient number, since it is larger than the sum of its proper divisors (1).

212221100123003 is an equidigital number, since it uses as much as digits as its factorization.

212221100123003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 212221100123003 its reverse (300321001122212), we get a palindrome (512542101245215).

The spelling of 212221100123003 in words is "two hundred twelve trillion, two hundred twenty-one billion, one hundred million, one hundred twenty-three thousand, three".