22110200222121 has 20 divisors (see below), whose sum is σ = 36031437400464. Its totient is φ = 13400121346200.

The previous prime is 22110200222101. The next prime is 22110200222153. The reversal of 22110200222121 is 12122200201122.

It is a happy number.

22110200222121 is a `hidden beast` number, since 221 + 1 + 0 + 200 + 2 + 221 + 21 = 666.

It is not a de Polignac number, because 22110200222121 - 2¹⁸ = 22110199959977 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22110200222094 and 22110200222103.

It is not an unprimeable number, because it can be changed into a prime (22110200222101) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 12407518875 + ... + 12407520656.

Almost surely, 2^{22110200222121} is an apocalyptic number.

It is an amenable number.

22110200222121 is a deficient number, since it is larger than the sum of its proper divisors (13921237178343).

22110200222121 is a wasteful number, since it uses less digits than its factorization.

22110200222121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24815039554 (or 24815039545 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 22110200222121 its reverse (12122200201122), we get a palindrome (34232400423243).

The spelling of 22110200222121 in words is "twenty-two trillion, one hundred ten billion, two hundred million, two hundred twenty-two thousand, one hundred twenty-one".