11000022209971 has 2 divisors, whose sum is σ = 11000022209972. Its totient is φ = 11000022209970.

The previous prime is 11000022209959. The next prime is 11000022210101. The reversal of 11000022209971 is 17990222000011.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11000022209971 - 2³¹ = 10997874726323 is a prime.

It is not a weakly prime, because it can be changed into another prime (11000022209471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5500011104985 + 5500011104986.

It is an arithmetic number, because the mean of its divisors is an integer number (5500011104986).

Almost surely, 2^{11000022209971} is an apocalyptic number.

11000022209971 is a deficient number, since it is larger than the sum of its proper divisors (1).

11000022209971 is an equidigital number, since it uses as much as digits as its factorization.

11000022209971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 34.

Adding to 11000022209971 its reverse (17990222000011), we get a palindrome (28990244209982).

The spelling of 11000022209971 in words is "eleven trillion, twenty-two million, two hundred nine thousand, nine hundred seventy-one".