220211112021 has 8 divisors (see below), whose sum is σ = 293637640800. Its totient is φ = 146795995632.

The previous prime is 220211111921. The next prime is 220211112041. The reversal of 220211112021 is 120211112022.

220211112021 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 220211112021 - 2¹¹ = 220211109973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220211112041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2807971 + ... + 2885328.

It is an arithmetic number, because the mean of its divisors is an integer number (36704705100).

Almost surely, 2^220211112021 is an apocalyptic number.

It is an amenable number.

220211112021 is a deficient number, since it is larger than the sum of its proper divisors (73426528779).

220211112021 is a wasteful number, since it uses less digits than its factorization.

220211112021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5706195.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 220211112021 its reverse (120211112022), we get a palindrome (340422224043).

Subtracting from 220211112021 its reverse (120211112022), we obtain a palindrome (99999999999).

The spelling of 220211112021 in words is "two hundred twenty billion, two hundred eleven million, one hundred twelve thousand, twenty-one".