22101120122121 has 20 divisors (see below), whose sum is σ = 33717705724032. Its totient is φ = 14420589013368.

The previous prime is 22101120122099. The next prime is 22101120122141. The reversal of 22101120122121 is 12122102110122.

22101120122121 is a `hidden beast` number, since 2 + 210 + 11 + 201 + 221 + 21 = 666.

It is not a de Polignac number, because 22101120122121 - 2⁶ = 22101120122057 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22101120122094 and 22101120122103.

It is not an unprimeable number, because it can be changed into a prime (22101120122141) 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, 2902691245 + ... + 2902698858.

Almost surely, 2^{22101120122121} is an apocalyptic number.

It is an amenable number.

22101120122121 is a deficient number, since it is larger than the sum of its proper divisors (11616585601911).

22101120122121 is an equidigital number, since it uses as much as digits as its factorization.

22101120122121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5805390162 (or 5805390153 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 22101120122121 its reverse (12122102110122), we get a palindrome (34223222232243).

The spelling of 22101120122121 in words is "twenty-two trillion, one hundred one billion, one hundred twenty million, one hundred twenty-two thousand, one hundred twenty-one".