2121002310103 has 2 divisors, whose sum is σ = 2121002310104. Its totient is φ = 2121002310102.

The previous prime is 2121002310047. The next prime is 2121002310149. The reversal of 2121002310103 is 3010132001212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2121002310103 - 2¹³ = 2121002301911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2121002314103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060501155051 + 1060501155052.

It is an arithmetic number, because the mean of its divisors is an integer number (1060501155052).

Almost surely, 2^{2121002310103} is an apocalyptic number.

2121002310103 is a deficient number, since it is larger than the sum of its proper divisors (1).

2121002310103 is an equidigital number, since it uses as much as digits as its factorization.

2121002310103 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 2121002310103 its reverse (3010132001212), we get a palindrome (5131134311315).

The spelling of 2121002310103 in words is "two trillion, one hundred twenty-one billion, two million, three hundred ten thousand, one hundred three".