220011102221171 has 2 divisors, whose sum is σ = 220011102221172. Its totient is φ = 220011102221170.

The previous prime is 220011102221143. The next prime is 220011102221219. The reversal of 220011102221171 is 171122201110022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 220011102221171 - 2¹⁸ = 220011101959027 is a prime.

It is a super-2 number, since 2×220011102221171² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (220011102721171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110005551110585 + 110005551110586.

It is an arithmetic number, because the mean of its divisors is an integer number (110005551110586).

Almost surely, 2^{220011102221171} is an apocalyptic number.

220011102221171 is a deficient number, since it is larger than the sum of its proper divisors (1).

220011102221171 is an equidigital number, since it uses as much as digits as its factorization.

220011102221171 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 220011102221171 its reverse (171122201110022), we get a palindrome (391133303331193).

The spelling of 220011102221171 in words is "two hundred twenty trillion, eleven billion, one hundred two million, two hundred twenty-one thousand, one hundred seventy-one".