20110222111011 has 16 divisors (see below), whose sum is σ = 27552002311680. Its totient is φ = 13040237417760.

The previous prime is 20110222110973. The next prime is 20110222111043. The reversal of 20110222111011 is 11011122201102.

It is a happy number.

It is not a de Polignac number, because 20110222111011 - 2¹⁹ = 20110221586723 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20110222116011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 326105560 + ... + 326167221.

It is an arithmetic number, because the mean of its divisors is an integer number (1722000144480).

Almost surely, 2^{20110222111011} is an apocalyptic number.

20110222111011 is a deficient number, since it is larger than the sum of its proper divisors (7441780200669).

20110222111011 is a wasteful number, since it uses less digits than its factorization.

20110222111011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652273066.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 20110222111011 its reverse (11011122201102), we get a palindrome (31121344312113).

Subtracting from 20110222111011 its reverse (11011122201102), we obtain a palindrome (9099099909909).

The spelling of 20110222111011 in words is "twenty trillion, one hundred ten billion, two hundred twenty-two million, one hundred eleven thousand, eleven".