121130131321 has 16 divisors (see below), whose sum is σ = 129397390848. Its totient is φ = 113183740800.

The previous prime is 121130131319. The next prime is 121130131363. The reversal of 121130131321 is 123131031121.

It is a cyclic number.

It is not a de Polignac number, because 121130131321 - 2¹ = 121130131319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121130131301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 252820 + ... + 553333.

It is an arithmetic number, because the mean of its divisors is an integer number (8087336928).

Almost surely, 2^121130131321 is an apocalyptic number.

It is an amenable number.

121130131321 is a deficient number, since it is larger than the sum of its proper divisors (8267259527).

121130131321 is a wasteful number, since it uses less digits than its factorization.

121130131321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 806352.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 121130131321 its reverse (123131031121), we get a palindrome (244261162442).

The spelling of 121130131321 in words is "one hundred twenty-one billion, one hundred thirty million, one hundred thirty-one thousand, three hundred twenty-one".