2121200110303 has 2 divisors, whose sum is σ = 2121200110304. Its totient is φ = 2121200110302.

The previous prime is 2121200110297. The next prime is 2121200110331. The reversal of 2121200110303 is 3030110021212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2121200110303 - 2³⁷ = 1983761156831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2121200119303) 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, 1060600055151 + 1060600055152.

It is an arithmetic number, because the mean of its divisors is an integer number (1060600055152).

Almost surely, 2^{2121200110303} is an apocalyptic number.

2121200110303 is a deficient number, since it is larger than the sum of its proper divisors (1).

2121200110303 is an equidigital number, since it uses as much as digits as its factorization.

2121200110303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 2121200110303 its reverse (3030110021212), we get a palindrome (5151310131515).

The spelling of 2121200110303 in words is "two trillion, one hundred twenty-one billion, two hundred million, one hundred ten thousand, three hundred three".