220020111211 has 8 divisors (see below), whose sum is σ = 233561352960. Its totient is φ = 206545411968.

The previous prime is 220020111203. The next prime is 220020111217. The reversal of 220020111211 is 112111020022.

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

It is a cyclic number.

It is not a de Polignac number, because 220020111211 - 2³ = 220020111203 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220020111191 and 220020111200.

It is not an unprimeable number, because it can be changed into a prime (220020111217) 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, 16628811 + ... + 16642036.

It is an arithmetic number, because the mean of its divisors is an integer number (29195169120).

Almost surely, 2^220020111211 is an apocalyptic number.

220020111211 is a deficient number, since it is larger than the sum of its proper divisors (13541241749).

220020111211 is a wasteful number, since it uses less digits than its factorization.

220020111211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33271253.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 220020111211 its reverse (112111020022), we get a palindrome (332131131233).

The spelling of 220020111211 in words is "two hundred twenty billion, twenty million, one hundred eleven thousand, two hundred eleven".