2110021393 has 2 divisors, whose sum is σ = 2110021394. Its totient is φ = 2110021392.

The previous prime is 2110021327. The next prime is 2110021457. The reversal of 2110021393 is 3931200112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2094709824 + 15311569 = 45768^2 + 3913^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2110021393 is a prime.

It is not a weakly prime, because it can be changed into another prime (2110021313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055010696 + 1055010697.

It is an arithmetic number, because the mean of its divisors is an integer number (1055010697).

Almost surely, 2^2110021393 is an apocalyptic number.

It is an amenable number.

2110021393 is a deficient number, since it is larger than the sum of its proper divisors (1).

2110021393 is an equidigital number, since it uses as much as digits as its factorization.

2110021393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 2110021393 is about 45934.9691738222. The cubic root of 2110021393 is about 1282.6129471006.

The spelling of 2110021393 in words is "two billion, one hundred ten million, twenty-one thousand, three hundred ninety-three".