130221234021 has 8 divisors (see below), whose sum is σ = 182766644320. Its totient is φ = 82244989872.

The previous prime is 130221233999. The next prime is 130221234043. The reversal of 130221234021 is 120432122031.

It is an interprime number because it is at equal distance from previous prime (130221233999) and next prime (130221234043).

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

It is not a de Polignac number, because 130221234021 - 2³⁰ = 129147492197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130221234061) 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, 1142291470 + ... + 1142291583.

It is an arithmetic number, because the mean of its divisors is an integer number (22845830540).

Almost surely, 2^130221234021 is an apocalyptic number.

It is an amenable number.

130221234021 is a deficient number, since it is larger than the sum of its proper divisors (52545410299).

130221234021 is a wasteful number, since it uses less digits than its factorization.

130221234021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2284583075.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 130221234021 its reverse (120432122031), we get a palindrome (250653356052).

The spelling of 130221234021 in words is "one hundred thirty billion, two hundred twenty-one million, two hundred thirty-four thousand, twenty-one".