130121001321 has 8 divisors (see below), whose sum is σ = 177186044544. Its totient is φ = 84901646160.

The previous prime is 130121001253. The next prime is 130121001341. The reversal of 130121001321 is 123100121031.

It is a happy number.

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

It is not a de Polignac number, because 130121001321 - 2¹³ = 130120993129 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 130121001321.

It is not an unprimeable number, because it can be changed into a prime (130121001341) 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, 461421850 + ... + 461422131.

It is an arithmetic number, because the mean of its divisors is an integer number (22148255568).

Almost surely, 2^130121001321 is an apocalyptic number.

It is an amenable number.

130121001321 is a deficient number, since it is larger than the sum of its proper divisors (47065043223).

130121001321 is an equidigital number, since it uses as much as digits as its factorization.

130121001321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 922844031.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 130121001321 its reverse (123100121031), we get a palindrome (253221122352).

The spelling of 130121001321 in words is "one hundred thirty billion, one hundred twenty-one million, one thousand, three hundred twenty-one".