11212022021171 has 2 divisors, whose sum is σ = 11212022021172. Its totient is φ = 11212022021170.

The previous prime is 11212022021149. The next prime is 11212022021177. The reversal of 11212022021171 is 17112022021211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11212022021171 - 2³⁰ = 11210948279347 is a prime.

It is a super-2 number, since 2×11212022021171² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11212022021177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5606011010585 + 5606011010586.

It is an arithmetic number, because the mean of its divisors is an integer number (5606011010586).

Almost surely, 2^{11212022021171} is an apocalyptic number.

11212022021171 is a deficient number, since it is larger than the sum of its proper divisors (1).

11212022021171 is an equidigital number, since it uses as much as digits as its factorization.

11212022021171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 23.

Adding to 11212022021171 its reverse (17112022021211), we get a palindrome (28324044042382).

The spelling of 11212022021171 in words is "eleven trillion, two hundred twelve billion, twenty-two million, twenty-one thousand, one hundred seventy-one".