2222110021 has 8 divisors (see below), whose sum is σ = 2340122400. Its totient is φ = 2104203600.

The previous prime is 2222110003. The next prime is 2222110043. The reversal of 2222110021 is 1200112222.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2222110021 - 2⁹ = 2222109509 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2222109983 and 2222110010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2222110061) 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, 18546 + ... + 69196.

It is an arithmetic number, because the mean of its divisors is an integer number (292515300).

Almost surely, 2^2222110021 is an apocalyptic number.

It is an amenable number.

2222110021 is a deficient number, since it is larger than the sum of its proper divisors (118012379).

2222110021 is a wasteful number, since it uses less digits than its factorization.

2222110021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52979.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 2222110021 is about 47139.2619904046. The cubic root of 2222110021 is about 1304.9339173733.

Adding to 2222110021 its reverse (1200112222), we get a palindrome (3422222243).

The spelling of 2222110021 in words is "two billion, two hundred twenty-two million, one hundred ten thousand, twenty-one".