130221221001 has 8 divisors (see below), whose sum is σ = 176571147360. Its totient is φ = 85342720992.

The previous prime is 130221220973. The next prime is 130221221003. The reversal of 130221221001 is 100122122031.

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

It is not a de Polignac number, because 130221221001 - 2²² = 130217026697 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 367856380 + ... + 367856733.

It is an arithmetic number, because the mean of its divisors is an integer number (22071393420).

Almost surely, 2^130221221001 is an apocalyptic number.

It is an amenable number.

130221221001 is a deficient number, since it is larger than the sum of its proper divisors (46349926359).

130221221001 is an equidigital number, since it uses as much as digits as its factorization.

130221221001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 735713175.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 130221221001 its reverse (100122122031), we get a palindrome (230343343032).

The spelling of 130221221001 in words is "one hundred thirty billion, two hundred twenty-one million, two hundred twenty-one thousand, one".