20110011222 has 128 divisors (see below), whose sum is σ = 49365780480. Its totient is φ = 5337446400.

The previous prime is 20110011203. The next prime is 20110011301. The reversal of 20110011222 is 22211001102.

It is a junction number, because it is equal to n+sod(n) for n = 20110011198 and 20110011207.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5169054 + ... + 5172942.

It is an arithmetic number, because the mean of its divisors is an integer number (385670160).

Almost surely, 2^20110011222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20110011222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24682890240).

20110011222 is an abundant number, since it is smaller than the sum of its proper divisors (29255769258).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20110011222 is a wasteful number, since it uses less digits than its factorization.

20110011222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4078.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20110011222 its reverse (22211001102), we get a palindrome (42321012324).

The spelling of 20110011222 in words is "twenty billion, one hundred ten million, eleven thousand, two hundred twenty-two".