2320112221 has 12 divisors (see below), whose sum is σ = 2705192640. Its totient is φ = 1984035480.

The previous prime is 2320112191. The next prime is 2320112233. The reversal of 2320112221 is 1222110232.

It is a happy number.

It is not a de Polignac number, because 2320112221 - 2²⁵ = 2286557789 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2320112195 and 2320112204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2320116221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33811 + ... + 76048.

It is an arithmetic number, because the mean of its divisors is an integer number (225432720).

Almost surely, 2^2320112221 is an apocalyptic number.

It is an amenable number.

2320112221 is a deficient number, since it is larger than the sum of its proper divisors (385080419).

2320112221 is a wasteful number, since it uses less digits than its factorization.

2320112221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110304 (or 110297 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 2320112221 is about 48167.5432319316. The cubic root of 2320112221 is about 1323.8425341659.

Adding to 2320112221 its reverse (1222110232), we get a palindrome (3542222453).

The spelling of 2320112221 in words is "two billion, three hundred twenty million, one hundred twelve thousand, two hundred twenty-one".