221002000130 has 16 divisors (see below), whose sum is σ = 397809188280. Its totient is φ = 88399558272.

The previous prime is 221002000061. The next prime is 221002000171. The reversal of 221002000130 is 31000200122.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 218764804729 + 2237195401 = 467723^2 + 47299^2 .

It is a super-2 number, since 2×221002000130² (a number of 23 digits) contains 22 as substring.

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, 1005752 + ... + 1205628.

Almost surely, 2^221002000130 is an apocalyptic number.

221002000130 is a deficient number, since it is larger than the sum of its proper divisors (176807188150).

221002000130 is a wasteful number, since it uses less digits than its factorization.

221002000130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310453.

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 221002000130 its reverse (31000200122), we get a palindrome (252002200252).

The spelling of 221002000130 in words is "two hundred twenty-one billion, two million, one hundred thirty", and thus it is an aban number.