22110121010111 has 4 divisors (see below), whose sum is σ = 22132297662072. Its totient is φ = 22087944358152.

The previous prime is 22110121010083. The next prime is 22110121010123. The reversal of 22110121010111 is 11101012101122.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22110121010111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22110121010161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11088324485 + ... + 11088326478.

It is an arithmetic number, because the mean of its divisors is an integer number (5533074415518).

Almost surely, 2^{22110121010111} is an apocalyptic number.

22110121010111 is a deficient number, since it is larger than the sum of its proper divisors (22176651961).

22110121010111 is an equidigital number, since it uses as much as digits as its factorization.

22110121010111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22176651960.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 22110121010111 its reverse (11101012101122), we get a palindrome (33211133111233).

The spelling of 22110121010111 in words is "twenty-two trillion, one hundred ten billion, one hundred twenty-one million, ten thousand, one hundred eleven".