2121012313003 has 2 divisors, whose sum is σ = 2121012313004. Its totient is φ = 2121012313002.

The previous prime is 2121012312929. The next prime is 2121012313039. The reversal of 2121012313003 is 3003132101212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2121012313003 - 2²⁹ = 2120475442091 is a prime.

It is not a weakly prime, because it can be changed into another prime (2121012313093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060506156501 + 1060506156502.

It is an arithmetic number, because the mean of its divisors is an integer number (1060506156502).

Almost surely, 2^{2121012313003} is an apocalyptic number.

2121012313003 is a deficient number, since it is larger than the sum of its proper divisors (1).

2121012313003 is an equidigital number, since it uses as much as digits as its factorization.

2121012313003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 2121012313003 its reverse (3003132101212), we get a palindrome (5124144414215).

The spelling of 2121012313003 in words is "two trillion, one hundred twenty-one billion, twelve million, three hundred thirteen thousand, three".