211733831051 has 2 divisors, whose sum is σ = 211733831052. Its totient is φ = 211733831050.

The previous prime is 211733831033. The next prime is 211733831077. The reversal of 211733831051 is 150138337112.

211733831051 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 211733831051 - 2¹⁰ = 211733830027 is a prime.

It is not a weakly prime, because it can be changed into another prime (211733836051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105866915525 + 105866915526.

It is an arithmetic number, because the mean of its divisors is an integer number (105866915526).

Almost surely, 2^211733831051 is an apocalyptic number.

211733831051 is a deficient number, since it is larger than the sum of its proper divisors (1).

211733831051 is an equidigital number, since it uses as much as digits as its factorization.

211733831051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 35.

The spelling of 211733831051 in words is "two hundred eleven billion, seven hundred thirty-three million, eight hundred thirty-one thousand, fifty-one".