220223111211 has 6 divisors (see below), whose sum is σ = 318100049540. Its totient is φ = 146815407468.

The previous prime is 220223111191. The next prime is 220223111219. The reversal of 220223111211 is 112111322022.

220223111211 is a `hidden beast` number, since 220 + 2 + 231 + 1 + 1 + 211 = 666.

It is not a de Polignac number, because 220223111211 - 2¹³ = 220223103019 is a prime.

It is a super-2 number, since 2×220223111211² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220223111219) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12234617281 + ... + 12234617298.

Almost surely, 2^220223111211 is an apocalyptic number.

220223111211 is a deficient number, since it is larger than the sum of its proper divisors (97876938329).

220223111211 is a wasteful number, since it uses less digits than its factorization.

220223111211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24469234585 (or 24469234582 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 220223111211 its reverse (112111322022), we get a palindrome (332334433233).

The spelling of 220223111211 in words is "two hundred twenty billion, two hundred twenty-three million, one hundred eleven thousand, two hundred eleven".