20112133302121 has 8 divisors (see below), whose sum is σ = 22985520721344. Its totient is φ = 17238802262640.

The previous prime is 20112133302109. The next prime is 20112133302137. The reversal of 20112133302121 is 12120333121102.

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

It is not a de Polignac number, because 20112133302121 - 2¹¹ = 20112133300073 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20112133302092 and 20112133302101.

It is not an unprimeable number, because it can be changed into a prime (20112133302181) 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 7 ways as a sum of consecutive naturals, for example, 13327735 + ... + 14759836.

It is an arithmetic number, because the mean of its divisors is an integer number (2873190090168).

Almost surely, 2^{20112133302121} is an apocalyptic number.

It is an amenable number.

20112133302121 is a deficient number, since it is larger than the sum of its proper divisors (2873387419223).

20112133302121 is a wasteful number, since it uses less digits than its factorization.

20112133302121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28189871.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 20112133302121 its reverse (12120333121102), we get a palindrome (32232466423223).

The spelling of 20112133302121 in words is "twenty trillion, one hundred twelve billion, one hundred thirty-three million, three hundred two thousand, one hundred twenty-one".