130232021221 has 8 divisors (see below), whose sum is σ = 130779224064. Its totient is φ = 129685898160.

The previous prime is 130232021203. The next prime is 130232021263. The reversal of 130232021221 is 122120232031.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-130232021221 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 (130232028221) 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, 27766 + ... + 511111.

It is an arithmetic number, because the mean of its divisors is an integer number (16347403008).

Almost surely, 2^130232021221 is an apocalyptic number.

It is an amenable number.

130232021221 is a deficient number, since it is larger than the sum of its proper divisors (547202843).

130232021221 is an equidigital number, since it uses as much as digits as its factorization.

130232021221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539891.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 130232021221 its reverse (122120232031), we get a palindrome (252352253252).

The spelling of 130232021221 in words is "one hundred thirty billion, two hundred thirty-two million, twenty-one thousand, two hundred twenty-one".