220115211 has 8 divisors (see below), whose sum is σ = 294206160. Its totient is φ = 146383872.

The previous prime is 220115197. The next prime is 220115227. The reversal of 220115211 is 112511022.

220115211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 220115211 - 2¹⁰ = 220114187 is a prime.

It is a super-2 number, since 2×220115211² = 96901412227149042, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (220115011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88470 + ... + 90923.

It is an arithmetic number, because the mean of its divisors is an integer number (36775770).

Almost surely, 2^220115211 is an apocalyptic number.

220115211 is a deficient number, since it is larger than the sum of its proper divisors (74090949).

220115211 is a wasteful number, since it uses less digits than its factorization.

220115211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179805.

The product of its (nonzero) digits is 40, while the sum is 15.

The square root of 220115211 is about 14836.2802278738. The cubic root of 220115211 is about 603.7864351385.

Adding to 220115211 its reverse (112511022), we get a palindrome (332626233).

The spelling of 220115211 in words is "two hundred twenty million, one hundred fifteen thousand, two hundred eleven".