220220011211 has 4 divisors (see below), whose sum is σ = 220316053632. Its totient is φ = 220123968792.

The previous prime is 220220011189. The next prime is 220220011237. The reversal of 220220011211 is 112110022022.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220220011211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220220011811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48017771 + ... + 48022356.

It is an arithmetic number, because the mean of its divisors is an integer number (55079013408).

Almost surely, 2^220220011211 is an apocalyptic number.

220220011211 is a deficient number, since it is larger than the sum of its proper divisors (96042421).

220220011211 is an equidigital number, since it uses as much as digits as its factorization.

220220011211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96042420.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 220220011211 its reverse (112110022022), we get a palindrome (332330033233).

The spelling of 220220011211 in words is "two hundred twenty billion, two hundred twenty million, eleven thousand, two hundred eleven".