22110022121 has 8 divisors (see below), whose sum is σ = 24189538464. Its totient is φ = 20042091520.

The previous prime is 22110022097. The next prime is 22110022157. The reversal of 22110022121 is 12122001122.

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

It is not a de Polignac number, because 22110022121 - 2⁶ = 22110022057 is a prime.

It is a super-2 number, since 2×22110022121² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22110022096 and 22110022105.

It is not an unprimeable number, because it can be changed into a prime (22110022721) 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, 2892440 + ... + 2900073.

It is an arithmetic number, because the mean of its divisors is an integer number (3023692308).

Almost surely, 2^22110022121 is an apocalyptic number.

It is an amenable number.

22110022121 is a deficient number, since it is larger than the sum of its proper divisors (2079516343).

22110022121 is a wasteful number, since it uses less digits than its factorization.

22110022121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5792871.

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

Adding to 22110022121 its reverse (12122001122), we get a palindrome (34232023243).

The spelling of 22110022121 in words is "twenty-two billion, one hundred ten million, twenty-two thousand, one hundred twenty-one".