220231201211 has 8 divisors (see below), whose sum is σ = 252031559424. Its totient is φ = 188515532520.

The previous prime is 220231201187. The next prime is 220231201271. The reversal of 220231201211 is 112102132022.

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

It is not a de Polignac number, because 220231201211 - 2¹⁰ = 220231200187 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 220231201211.

It is not an unprimeable number, because it can be changed into a prime (220231201271) 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, 21166805 + ... + 21177206.

It is an arithmetic number, because the mean of its divisors is an integer number (31503944928).

Almost surely, 2^220231201211 is an apocalyptic number.

220231201211 is a deficient number, since it is larger than the sum of its proper divisors (31800358213).

220231201211 is an equidigital number, since it uses as much as digits as its factorization.

220231201211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42344761.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 220231201211 its reverse (112102132022), we get a palindrome (332333333233).

The spelling of 220231201211 in words is "two hundred twenty billion, two hundred thirty-one million, two hundred one thousand, two hundred eleven".