22110200020121 has 8 divisors (see below), whose sum is σ = 23108420926920. Its totient is φ = 21127699127808.

The previous prime is 22110200020079. The next prime is 22110200020123. The reversal of 22110200020121 is 12102000201122.

It can be written as a sum of positive squares in 4 ways, for example, as 4661108281600 + 17449091738521 = 2158960^2 + 4177211^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22110200020121 - 2¹⁰ = 22110200019097 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22110200020096 and 22110200020105.

It is not an unprimeable number, because it can be changed into a prime (22110200020123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3930000746 + ... + 3930006371.

It is an arithmetic number, because the mean of its divisors is an integer number (2888552615865).

Almost surely, 2^{22110200020121} is an apocalyptic number.

It is an amenable number.

22110200020121 is a deficient number, since it is larger than the sum of its proper divisors (998220906799).

22110200020121 is an equidigital number, since it uses as much as digits as its factorization.

22110200020121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7860007243.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 22110200020121 its reverse (12102000201122), we get a palindrome (34212200221243).

The spelling of 22110200020121 in words is "twenty-two trillion, one hundred ten billion, two hundred million, twenty thousand, one hundred twenty-one".