2120102393 has 2 divisors, whose sum is σ = 2120102394. Its totient is φ = 2120102392.

The previous prime is 2120102357. The next prime is 2120102443. The reversal of 2120102393 is 3932010212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1900262464 + 219839929 = 43592^2 + 14827^2 .

It is a cyclic number.

It is not a de Polignac number, because 2120102393 - 2¹² = 2120098297 is a prime.

It is not a weakly prime, because it can be changed into another prime (2120102353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060051196 + 1060051197.

It is an arithmetic number, because the mean of its divisors is an integer number (1060051197).

Almost surely, 2^2120102393 is an apocalyptic number.

It is an amenable number.

2120102393 is a deficient number, since it is larger than the sum of its proper divisors (1).

2120102393 is an equidigital number, since it uses as much as digits as its factorization.

2120102393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 2120102393 is about 46044.5696363860. The cubic root of 2120102393 is about 1284.6523393432.

The spelling of 2120102393 in words is "two billion, one hundred twenty million, one hundred two thousand, three hundred ninety-three".