22002110002221 has 16 divisors (see below), whose sum is σ = 29346407956800. Its totient is φ = 14662943606528.

The previous prime is 22002110002219. The next prime is 22002110002231. The reversal of 22002110002221 is 12220001120022.

It is a cyclic number.

It is not a de Polignac number, because 22002110002221 - 2¹ = 22002110002219 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 22002110002221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22002110002231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101204725 + ... + 101421893.

It is an arithmetic number, because the mean of its divisors is an integer number (1834150497300).

Almost surely, 2^{22002110002221} is an apocalyptic number.

It is an amenable number.

22002110002221 is a deficient number, since it is larger than the sum of its proper divisors (7344297954579).

22002110002221 is a wasteful number, since it uses less digits than its factorization.

22002110002221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228828.

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

Adding to 22002110002221 its reverse (12220001120022), we get a palindrome (34222111122243).

The spelling of 22002110002221 in words is "twenty-two trillion, two billion, one hundred ten million, two thousand, two hundred twenty-one".