20110222111 has 8 divisors (see below), whose sum is σ = 23103442944. Its totient is φ = 17147084280.

The previous prime is 20110222073. The next prime is 20110222141. The reversal of 20110222111 is 11122201102.

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 20110222111 - 2¹¹ = 20110220063 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20110222091 and 20110222100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20110222141) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 7519315 + ... + 7521988.

It is an arithmetic number, because the mean of its divisors is an integer number (2887930368).

Almost surely, 2^20110222111 is an apocalyptic number.

20110222111 is a deficient number, since it is larger than the sum of its proper divisors (2993220833).

20110222111 is a wasteful number, since it uses less digits than its factorization.

20110222111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15041501.

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

Adding to 20110222111 its reverse (11122201102), we get a palindrome (31232423213).

The spelling of 20110222111 in words is "twenty billion, one hundred ten million, two hundred twenty-two thousand, one hundred eleven".