20133112010321 has 16 divisors (see below), whose sum is σ = 20397115206720. Its totient is φ = 19869958986240.

The previous prime is 20133112010299. The next prime is 20133112010339. The reversal of 20133112010321 is 12301021133102.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 20133112010321 - 2²⁶ = 20133044901457 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20133112010293 and 20133112010302.

It is not an unprimeable number, because it can be changed into a prime (20133112090321) 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, 393729926 + ... + 393781056.

It is an arithmetic number, because the mean of its divisors is an integer number (1274819700420).

Almost surely, 2^{20133112010321} is an apocalyptic number.

It is an amenable number.

20133112010321 is a deficient number, since it is larger than the sum of its proper divisors (264003196399).

20133112010321 is an equidigital number, since it uses as much as digits as its factorization.

20133112010321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59344.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 20133112010321 its reverse (12301021133102), we get a palindrome (32434133143423).

The spelling of 20133112010321 in words is "twenty trillion, one hundred thirty-three billion, one hundred twelve million, ten thousand, three hundred twenty-one".