11021200171 has 2 divisors, whose sum is σ = 11021200172. Its totient is φ = 11021200170.

The previous prime is 11021200163. The next prime is 11021200213. The reversal of 11021200171 is 17100212011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11021200171 - 2³ = 11021200163 is a prime.

It is not a weakly prime, because it can be changed into another prime (11021200121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5510600085 + 5510600086.

It is an arithmetic number, because the mean of its divisors is an integer number (5510600086).

Almost surely, 2^11021200171 is an apocalyptic number.

11021200171 is a deficient number, since it is larger than the sum of its proper divisors (1).

11021200171 is an equidigital number, since it uses as much as digits as its factorization.

11021200171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28, while the sum is 16.

Adding to 11021200171 its reverse (17100212011), we get a palindrome (28121412182).

The spelling of 11021200171 in words is "eleven billion, twenty-one million, two hundred thousand, one hundred seventy-one".