2130221310 has 32 divisors (see below), whose sum is σ = 5842893312. Its totient is φ = 486907680.

The previous prime is 2130221267. The next prime is 2130221323. The reversal of 2130221310 is 131220312.

It is a super-2 number, since 2×2130221310² = 9075685659156232200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

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 2130221310.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5071746 + ... + 5072165.

It is an arithmetic number, because the mean of its divisors is an integer number (182590416).

Almost surely, 2^2130221310 is an apocalyptic number.

2130221310 is an abundant number, since it is smaller than the sum of its proper divisors (3712672002).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2130221310 is a wasteful number, since it uses less digits than its factorization.

2130221310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10143928.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 2130221310 is about 46154.3205994845. The cubic root of 2130221310 is about 1286.6929112058.

Adding to 2130221310 its reverse (131220312), we get a palindrome (2261441622).

The spelling of 2130221310 in words is "two billion, one hundred thirty million, two hundred twenty-one thousand, three hundred ten".