20221120110111 has 16 divisors (see below), whose sum is σ = 26970238520160. Its totient is φ = 13476374714880.

The previous prime is 20221120110053. The next prime is 20221120110161. The reversal of 20221120110111 is 11101102112202.

It is a happy number.

It is not a de Polignac number, because 20221120110111 - 2²¹ = 20221118012959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20221120110161) 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, 196001601 + ... + 196104741.

It is an arithmetic number, because the mean of its divisors is an integer number (1685639907510).

Almost surely, 2^{20221120110111} is an apocalyptic number.

20221120110111 is a deficient number, since it is larger than the sum of its proper divisors (6749118410049).

20221120110111 is a wasteful number, since it uses less digits than its factorization.

20221120110111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123706.

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

Adding to 20221120110111 its reverse (11101102112202), we get a palindrome (31322222222313).

The spelling of 20221120110111 in words is "twenty trillion, two hundred twenty-one billion, one hundred twenty million, one hundred ten thousand, one hundred eleven".