22000121110121 has 32 divisors (see below), whose sum is σ = 28874554168320. Its totient is φ = 16239445099200.

The previous prime is 22000121110057. The next prime is 22000121110133. The reversal of 22000121110121 is 12101112100022.

It is not a de Polignac number, because 22000121110121 - 2⁶ = 22000121110057 is a prime.

It is a super-2 number, since 2×22000121110121² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22000121110096 and 22000121110105.

It is not an unprimeable number, because it can be changed into a prime (22000121110181) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18722411 + ... + 19862751.

It is an arithmetic number, because the mean of its divisors is an integer number (902329817760).

Almost surely, 2^{22000121110121} is an apocalyptic number.

It is an amenable number.

22000121110121 is a deficient number, since it is larger than the sum of its proper divisors (6874433058199).

22000121110121 is a wasteful number, since it uses less digits than its factorization.

22000121110121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1153565.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 22000121110121 its reverse (12101112100022), we get a palindrome (34101233210143).

It can be divided in two parts, 2200012 and 1110121, that added together give a palindrome (3310133).

The spelling of 22000121110121 in words is "twenty-two trillion, one hundred twenty-one million, one hundred ten thousand, one hundred twenty-one".