130221221002 has 8 divisors (see below), whose sum is σ = 195706750212. Its totient is φ = 64985637600.

The previous prime is 130221220973. The next prime is 130221221003. The reversal of 130221221002 is 200122122031.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 126471985641 + 3749235361 = 355629^2 + 61231^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (130221221003) 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, 62485149 + ... + 62487232.

Almost surely, 2^130221221002 is an apocalyptic number.

130221221002 is a deficient number, since it is larger than the sum of its proper divisors (65485529210).

130221221002 is a wasteful number, since it uses less digits than its factorization.

130221221002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124972904.

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

Adding to 130221221002 its reverse (200122122031), we get a palindrome (330343343033).

The spelling of 130221221002 in words is "one hundred thirty billion, two hundred twenty-one million, two hundred twenty-one thousand, two".