2218871475111 has 16 divisors (see below), whose sum is σ = 2969276504544. Its totient is φ = 1473863829504.

The previous prime is 2218871475097. The next prime is 2218871475157. The reversal of 2218871475111 is 1115741788122.

It is a happy number.

2218871475111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2218871475111 - 2¹³ = 2218871466919 is a prime.

It is a super-2 number, since 2×2218871475111² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2218871455111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 463075 + ... + 2156891.

It is an arithmetic number, because the mean of its divisors is an integer number (185579781534).

Almost surely, 2^{2218871475111} is an apocalyptic number.

2218871475111 is a deficient number, since it is larger than the sum of its proper divisors (750405029433).

2218871475111 is a wasteful number, since it uses less digits than its factorization.

2218871475111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1695410.

The product of its digits is 250880, while the sum is 48.

The spelling of 2218871475111 in words is "two trillion, two hundred eighteen billion, eight hundred seventy-one million, four hundred seventy-five thousand, one hundred eleven".