22110020002221 has 8 divisors (see below), whose sum is σ = 29480081734944. Its totient is φ = 14739985802160.

The previous prime is 22110020002199. The next prime is 22110020002223. The reversal of 22110020002221 is 12220002001122.

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

It is not a de Polignac number, because 22110020002221 - 2⁷ = 22110020002093 is a prime.

It is a super-2 number, since 2×22110020002221² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22110020002221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22110020002223) 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, 4930231 + ... + 8278116.

It is an arithmetic number, because the mean of its divisors is an integer number (3685010216868).

Almost surely, 2^{22110020002221} is an apocalyptic number.

It is an amenable number.

22110020002221 is a deficient number, since it is larger than the sum of its proper divisors (7370061732723).

22110020002221 is a wasteful number, since it uses less digits than its factorization.

22110020002221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13766331.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 22110020002221 its reverse (12220002001122), we get a palindrome (34330022003343).

The spelling of 22110020002221 in words is "twenty-two trillion, one hundred ten billion, twenty million, two thousand, two hundred twenty-one".