20321130140121 has 8 divisors (see below), whose sum is σ = 27126456106464. Its totient is φ = 13531612133600.

The previous prime is 20321130140117. The next prime is 20321130140123. The reversal of 20321130140121 is 12104103112302.

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

It is a cyclic number.

It is not a de Polignac number, because 20321130140121 - 2² = 20321130140117 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20321130140123) 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, 3951986955 + ... + 3951992096.

It is an arithmetic number, because the mean of its divisors is an integer number (3390807013308).

Almost surely, 2^{20321130140121} is an apocalyptic number.

It is an amenable number.

20321130140121 is a deficient number, since it is larger than the sum of its proper divisors (6805325966343).

20321130140121 is an equidigital number, since it uses as much as digits as its factorization.

20321130140121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7903979911.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 20321130140121 its reverse (12104103112302), we get a palindrome (32425233252423).

The spelling of 20321130140121 in words is "twenty trillion, three hundred twenty-one billion, one hundred thirty million, one hundred forty thousand, one hundred twenty-one".