220022111111 has 32 divisors (see below), whose sum is σ = 250089348096. Its totient is φ = 191814480000.

The previous prime is 220022111021. The next prime is 220022111117. The reversal of 220022111111 is 111111220022.

It is not a de Polignac number, because 220022111111 - 2¹⁸ = 220021848967 is a prime.

It is a Duffinian number.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220022111117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22217261 + ... + 22227161.

It is an arithmetic number, because the mean of its divisors is an integer number (7815292128).

Almost surely, 2^220022111111 is an apocalyptic number.

220022111111 is a deficient number, since it is larger than the sum of its proper divisors (30067236985).

220022111111 is a wasteful number, since it uses less digits than its factorization.

220022111111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10823.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 220022111111 its reverse (111111220022), we get a palindrome (331133331133).

It can be divided in two parts, 220022 and 111111, that multiplied together give a palindrome (24446864442).

The spelling of 220022111111 in words is "two hundred twenty billion, twenty-two million, one hundred eleven thousand, one hundred eleven".