20330201311121 has 8 divisors (see below), whose sum is σ = 21905507861160. Its totient is φ = 18756529748352.

The previous prime is 20330201311111. The next prime is 20330201311201. The reversal of 20330201311121 is 12111310203302.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 422890090000 + 19907311221121 = 650300^2 + 4461761^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20330201311121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20330201311093 and 20330201311102.

It is not an unprimeable number, because it can be changed into a prime (20330201311111) 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, 408720986 + ... + 408770723.

It is an arithmetic number, because the mean of its divisors is an integer number (2738188482645).

Almost surely, 2^{20330201311121} is an apocalyptic number.

It is an amenable number.

20330201311121 is a deficient number, since it is larger than the sum of its proper divisors (1575306550039).

20330201311121 is a wasteful number, since it uses less digits than its factorization.

20330201311121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 817493635.

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

Adding to 20330201311121 its reverse (12111310203302), we get a palindrome (32441511514423).

The spelling of 20330201311121 in words is "twenty trillion, three hundred thirty billion, two hundred one million, three hundred eleven thousand, one hundred twenty-one".