2321221130 has 16 divisors (see below), whose sum is σ = 4180226400. Its totient is φ = 928037712.

The previous prime is 2321221121. The next prime is 2321221169. The reversal of 2321221130 is 311221232.

It is a junction number, because it is equal to n+sod(n) for n = 2321221099 and 2321221108.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34304 + ... + 76283.

It is an arithmetic number, because the mean of its divisors is an integer number (261264150).

Almost surely, 2^2321221130 is an apocalyptic number.

2321221130 is a deficient number, since it is larger than the sum of its proper divisors (1859005270).

2321221130 is a wasteful number, since it uses less digits than its factorization.

2321221130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112693.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2321221130 is about 48179.0528134375. The cubic root of 2321221130 is about 1324.0534129138.

Adding to 2321221130 its reverse (311221232), we get a palindrome (2632442362).

The spelling of 2321221130 in words is "two billion, three hundred twenty-one million, two hundred twenty-one thousand, one hundred thirty".