211202220121103 has 2 divisors, whose sum is σ = 211202220121104. Its totient is φ = 211202220121102.

The previous prime is 211202220121031. The next prime is 211202220121117. The reversal of 211202220121103 is 301121022202112.

Together with previous prime (211202220121031) 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 211202220121103 - 2²⁰ = 211202219072527 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211202220126103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105601110060551 + 105601110060552.

It is an arithmetic number, because the mean of its divisors is an integer number (105601110060552).

Almost surely, 2^{211202220121103} is an apocalyptic number.

211202220121103 is a deficient number, since it is larger than the sum of its proper divisors (1).

211202220121103 is an equidigital number, since it uses as much as digits as its factorization.

211202220121103 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 211202220121103 its reverse (301121022202112), we get a palindrome (512323242323215).

The spelling of 211202220121103 in words is "two hundred eleven trillion, two hundred two billion, two hundred twenty million, one hundred twenty-one thousand, one hundred three".