220012111111 has 8 divisors (see below), whose sum is σ = 238305695040. Its totient is φ = 201914180832.

The previous prime is 220012111087. The next prime is 220012111153. The reversal of 220012111111 is 111111210022.

It is a happy number.

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

It is not a de Polignac number, because 220012111111 - 2¹⁷ = 220011980039 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220012111091 and 220012111100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220012111411) 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, 48911071 + ... + 48915568.

It is an arithmetic number, because the mean of its divisors is an integer number (29788211880).

Almost surely, 2^220012111111 is an apocalyptic number.

220012111111 is a deficient number, since it is larger than the sum of its proper divisors (18293583929).

220012111111 is a wasteful number, since it uses less digits than its factorization.

220012111111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97826825.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 220012111111 its reverse (111111210022), we get a palindrome (331123321133).

The spelling of 220012111111 in words is "two hundred twenty billion, twelve million, one hundred eleven thousand, one hundred eleven".