211149929 has 2 divisors, whose sum is σ = 211149930. Its totient is φ = 211149928.

The previous prime is 211149881. The next prime is 211149937. The reversal of 211149929 is 929941112.

211149929 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 can be written as a sum of positive squares in only one way, i.e., 117505600 + 93644329 = 10840^2 + 9677^2 .

It is a cyclic number.

It is not a de Polignac number, because 211149929 - 2¹² = 211145833 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 211149892 and 211149901.

It is not a weakly prime, because it can be changed into another prime (211149989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105574964 + 105574965.

It is an arithmetic number, because the mean of its divisors is an integer number (105574965).

Almost surely, 2^211149929 is an apocalyptic number.

It is an amenable number.

211149929 is a deficient number, since it is larger than the sum of its proper divisors (1).

211149929 is an equidigital number, since it uses as much as digits as its factorization.

211149929 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11664, while the sum is 38.

The square root of 211149929 is about 14530.9988989057. The cubic root of 211149929 is about 595.4751556041.

The spelling of 211149929 in words is "two hundred eleven million, one hundred forty-nine thousand, nine hundred twenty-nine".