2121103333211 has 2 divisors, whose sum is σ = 2121103333212. Its totient is φ = 2121103333210.

The previous prime is 2121103333121. The next prime is 2121103333213. The reversal of 2121103333211 is 1123333011212.

Together with previous prime (2121103333121) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2121103333211 - 2²⁶ = 2121036224347 is a prime.

Together with 2121103333213, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2121103333213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060551666605 + 1060551666606.

It is an arithmetic number, because the mean of its divisors is an integer number (1060551666606).

Almost surely, 2^{2121103333211} is an apocalyptic number.

2121103333211 is a deficient number, since it is larger than the sum of its proper divisors (1).

2121103333211 is an equidigital number, since it uses as much as digits as its factorization.

2121103333211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 2121103333211 its reverse (1123333011212), we get a palindrome (3244436344423).

The spelling of 2121103333211 in words is "two trillion, one hundred twenty-one billion, one hundred three million, three hundred thirty-three thousand, two hundred eleven".