22110121220011 has 16 divisors (see below), whose sum is σ = 25547105432160. Its totient is φ = 18911719751680.

The previous prime is 22110121219999. The next prime is 22110121220041. The reversal of 22110121220011 is 11002212101122.

It is not a de Polignac number, because 22110121220011 - 2²³ = 22110112831403 is a prime.

It is a super-2 number, since 2×22110121220011² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22110121220041) 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, 18258766 + ... + 19432003.

It is an arithmetic number, because the mean of its divisors is an integer number (1596694089510).

Almost surely, 2^{22110121220011} is an apocalyptic number.

22110121220011 is a deficient number, since it is larger than the sum of its proper divisors (3436984212149).

22110121220011 is a wasteful number, since it uses less digits than its factorization.

22110121220011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37693934.

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

Adding to 22110121220011 its reverse (11002212101122), we get a palindrome (33112333321133).

It can be divided in two parts, 22110 and 121220011, that added together give a palindrome (121242121).

The spelling of 22110121220011 in words is "twenty-two trillion, one hundred ten billion, one hundred twenty-one million, two hundred twenty thousand, eleven".