2120102443 has 2 divisors, whose sum is σ = 2120102444. Its totient is φ = 2120102442.

The previous prime is 2120102393. The next prime is 2120102447. The reversal of 2120102443 is 3442010212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2120102443 - 2⁹ = 2120101931 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2120102443.

It is not a weakly prime, because it can be changed into another prime (2120102447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060051221 + 1060051222.

It is an arithmetic number, because the mean of its divisors is an integer number (1060051222).

Almost surely, 2^2120102443 is an apocalyptic number.

2120102443 is a deficient number, since it is larger than the sum of its proper divisors (1).

2120102443 is an equidigital number, since it uses as much as digits as its factorization.

2120102443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 2120102443 is about 46044.5701793382. The cubic root of 2120102443 is about 1284.6523494422.

Adding to 2120102443 its reverse (3442010212), we get a palindrome (5562112655).

The spelling of 2120102443 in words is "two billion, one hundred twenty million, one hundred two thousand, four hundred forty-three".