22110121202011 has 4 divisors (see below), whose sum is σ = 22120496671624. Its totient is φ = 22099745732400.

The previous prime is 22110121201951. The next prime is 22110121202027. The reversal of 22110121202011 is 11020212101122.

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-22110121202011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22110121202051) 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, 5187731610 + ... + 5187735871.

It is an arithmetic number, because the mean of its divisors is an integer number (5530124167906).

Almost surely, 2^{22110121202011} is an apocalyptic number.

22110121202011 is a deficient number, since it is larger than the sum of its proper divisors (10375469613).

22110121202011 is a wasteful number, since it uses less digits than its factorization.

22110121202011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10375469612.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 22110121202011 its reverse (11020212101122), we get a palindrome (33130333303133).

The spelling of 22110121202011 in words is "twenty-two trillion, one hundred ten billion, one hundred twenty-one million, two hundred two thousand, eleven".