210011111047 has 2 divisors, whose sum is σ = 210011111048. Its totient is φ = 210011111046.

The previous prime is 210011110921. The next prime is 210011111071. The reversal of 210011111047 is 740111110012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 210011111047 - 2⁷ = 210011110919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210011111077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105005555523 + 105005555524.

It is an arithmetic number, because the mean of its divisors is an integer number (105005555524).

Almost surely, 2^210011111047 is an apocalyptic number.

210011111047 is a deficient number, since it is larger than the sum of its proper divisors (1).

210011111047 is an equidigital number, since it uses as much as digits as its factorization.

210011111047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56, while the sum is 19.

Adding to 210011111047 its reverse (740111110012), we get a palindrome (950122221059).

The spelling of 210011111047 in words is "two hundred ten billion, eleven million, one hundred eleven thousand, forty-seven".