2121003202093 has 2 divisors, whose sum is σ = 2121003202094. Its totient is φ = 2121003202092.

The previous prime is 2121003202069. The next prime is 2121003202141. The reversal of 2121003202093 is 3902023001212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2038233062889 + 82770139204 = 1427667^2 + 287698^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2121003202093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2121003202693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060501601046 + 1060501601047.

It is an arithmetic number, because the mean of its divisors is an integer number (1060501601047).

Almost surely, 2^{2121003202093} is an apocalyptic number.

It is an amenable number.

2121003202093 is a deficient number, since it is larger than the sum of its proper divisors (1).

2121003202093 is an equidigital number, since it uses as much as digits as its factorization.

2121003202093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 25.

The spelling of 2121003202093 in words is "two trillion, one hundred twenty-one billion, three million, two hundred two thousand, ninety-three".