220211112123 has 24 divisors (see below), whose sum is σ = 328872102000. Its totient is φ = 141880953024.

The previous prime is 220211112113. The next prime is 220211112131. The reversal of 220211112123 is 321211112022.

220211112123 is a `hidden beast` number, since 220 + 211 + 112 + 123 = 666.

It is not a de Polignac number, because 220211112123 - 2²⁴ = 220194334907 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 220211112096 and 220211112105.

It is not an unprimeable number, because it can be changed into a prime (220211112113) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2169493 + ... + 2268726.

It is an arithmetic number, because the mean of its divisors is an integer number (13703004250).

Almost surely, 2^220211112123 is an apocalyptic number.

220211112123 is a deficient number, since it is larger than the sum of its proper divisors (108660989877).

220211112123 is a wasteful number, since it uses less digits than its factorization.

220211112123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4438411 (or 4438408 counting only the distinct ones).

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

Adding to 220211112123 its reverse (321211112022), we get a palindrome (541422224145).

The spelling of 220211112123 in words is "two hundred twenty billion, two hundred eleven million, one hundred twelve thousand, one hundred twenty-three".