10420203811 has 2 divisors, whose sum is σ = 10420203812. Its totient is φ = 10420203810.

The previous prime is 10420203779. The next prime is 10420203821. The reversal of 10420203811 is 11830202401.

It is a happy number.

10420203811 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (11830202401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10420203811 - 2⁵ = 10420203779 is a prime.

It is not a weakly prime, because it can be changed into another prime (10420203821) 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, 5210101905 + 5210101906.

It is an arithmetic number, because the mean of its divisors is an integer number (5210101906).

Almost surely, 2^10420203811 is an apocalyptic number.

10420203811 is a deficient number, since it is larger than the sum of its proper divisors (1).

10420203811 is an equidigital number, since it uses as much as digits as its factorization.

10420203811 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 22.

The spelling of 10420203811 in words is "ten billion, four hundred twenty million, two hundred three thousand, eight hundred eleven".