11022001209871 has 2 divisors, whose sum is σ = 11022001209872. Its totient is φ = 11022001209870.

The previous prime is 11022001209859. The next prime is 11022001210013. The reversal of 11022001209871 is 17890210022011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11022001209871 - 2¹¹ = 11022001207823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11022001209811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5511000604935 + 5511000604936.

It is an arithmetic number, because the mean of its divisors is an integer number (5511000604936).

Almost surely, 2^{11022001209871} is an apocalyptic number.

11022001209871 is a deficient number, since it is larger than the sum of its proper divisors (1).

11022001209871 is an equidigital number, since it uses as much as digits as its factorization.

11022001209871 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 34.

The spelling of 11022001209871 in words is "eleven trillion, twenty-two billion, one million, two hundred nine thousand, eight hundred seventy-one".