2223110121 has 4 divisors (see below), whose sum is σ = 2964146832. Its totient is φ = 1482073412.

The previous prime is 2223110119. The next prime is 2223110171. The reversal of 2223110121 is 1210113222.

2223110121 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2223110121 - 2¹ = 2223110119 is a prime.

It is a super-2 number, since 2×2223110121² = 9884437220185269282, which contains 22 as substring.

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 2223110121.

It is not an unprimeable number, because it can be changed into a prime (2223110171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 370518351 + ... + 370518356.

It is an arithmetic number, because the mean of its divisors is an integer number (741036708).

Almost surely, 2^2223110121 is an apocalyptic number.

It is an amenable number.

2223110121 is a deficient number, since it is larger than the sum of its proper divisors (741036711).

2223110121 is an equidigital number, since it uses as much as digits as its factorization.

2223110121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 741036710.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 2223110121 is about 47149.8687272828. The cubic root of 2223110121 is about 1305.1296575569.

Adding to 2223110121 its reverse (1210113222), we get a palindrome (3433223343).

The spelling of 2223110121 in words is "two billion, two hundred twenty-three million, one hundred ten thousand, one hundred twenty-one".