211262113 has 2 divisors, whose sum is σ = 211262114. Its totient is φ = 211262112.

The previous prime is 211262099. The next prime is 211262131. The reversal of 211262113 is 311262112.

211262113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (211262131) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 109998144 + 101263969 = 10488^2 + 10063^2 .

It is a cyclic number.

It is not a de Polignac number, because 211262113 - 2²¹ = 209164961 is a prime.

It is not a weakly prime, because it can be changed into another prime (211262143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105631056 + 105631057.

It is an arithmetic number, because the mean of its divisors is an integer number (105631057).

Almost surely, 2^211262113 is an apocalyptic number.

It is an amenable number.

211262113 is a deficient number, since it is larger than the sum of its proper divisors (1).

211262113 is an equidigital number, since it uses as much as digits as its factorization.

211262113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 144, while the sum is 19.

The square root of 211262113 is about 14534.8585476433. The cubic root of 211262113 is about 595.5805956231.

Subtracting 211262113 from its reverse (311262112), we obtain a palindrome (99999999).

The spelling of 211262113 in words is "two hundred eleven million, two hundred sixty-two thousand, one hundred thirteen".