130020121101221 has 16 divisors (see below), whose sum is σ = 142070232019968. Its totient is φ = 118274407291200.

The previous prime is 130020121101197. The next prime is 130020121101251. The reversal of 130020121101221 is 122101121020031.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 130020121101221 - 2³⁴ = 130002941232037 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 130020121101221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130020121101251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 244426490 + ... + 244957851.

It is an arithmetic number, because the mean of its divisors is an integer number (8879389501248).

Almost surely, 2^{130020121101221} is an apocalyptic number.

It is an amenable number.

130020121101221 is a deficient number, since it is larger than the sum of its proper divisors (12050110918747).

130020121101221 is a wasteful number, since it uses less digits than its factorization.

130020121101221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489384652.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 130020121101221 its reverse (122101121020031), we get a palindrome (252121242121252).

The spelling of 130020121101221 in words is "one hundred thirty trillion, twenty billion, one hundred twenty-one million, one hundred one thousand, two hundred twenty-one".