10211891243 has 2 divisors, whose sum is σ = 10211891244. Its totient is φ = 10211891242.

The previous prime is 10211891161. The next prime is 10211891281. The reversal of 10211891243 is 34219811201.

10211891243 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10211891243 - 2⁸ = 10211890987 is a prime.

It is not a weakly prime, because it can be changed into another prime (10211891743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5105945621 + 5105945622.

It is an arithmetic number, because the mean of its divisors is an integer number (5105945622).

Almost surely, 2^10211891243 is an apocalyptic number.

10211891243 is a deficient number, since it is larger than the sum of its proper divisors (1).

10211891243 is an equidigital number, since it uses as much as digits as its factorization.

10211891243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 32.

The spelling of 10211891243 in words is "ten billion, two hundred eleven million, eight hundred ninety-one thousand, two hundred forty-three".