380211011 has 2 divisors, whose sum is σ = 380211012. Its totient is φ = 380211010.

The previous prime is 380210993. The next prime is 380211017. The reversal of 380211011 is 110112083.

It is a strong prime.

It is an emirp because it is prime and its reverse (110112083) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-380211011 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (380211017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190105505 + 190105506.

It is an arithmetic number, because the mean of its divisors is an integer number (190105506).

Almost surely, 2^380211011 is an apocalyptic number.

380211011 is a deficient number, since it is larger than the sum of its proper divisors (1).

380211011 is an equidigital number, since it uses as much as digits as its factorization.

380211011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 17.

The square root of 380211011 is about 19499.0002564234. Note that the first 3 decimals coincide. The cubic root of 380211011 is about 724.4496884557.

Adding to 380211011 its reverse (110112083), we get a palindrome (490323094).

The spelling of 380211011 in words is "three hundred eighty million, two hundred eleven thousand, eleven".