20130241011121 has 4 divisors (see below), whose sum is σ = 20234542778212. Its totient is φ = 20025939244032.

The previous prime is 20130241011059. The next prime is 20130241011151. The reversal of 20130241011121 is 12111014203102.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 14783532844096 + 5346708167025 = 3844936^2 + 2312295^2 .

It is a cyclic number.

It is not a de Polignac number, because 20130241011121 - 2⁹ = 20130241010609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20130241011151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52150883256 + ... + 52150883641.

It is an arithmetic number, because the mean of its divisors is an integer number (5058635694553).

Almost surely, 2^{20130241011121} is an apocalyptic number.

It is an amenable number.

20130241011121 is a deficient number, since it is larger than the sum of its proper divisors (104301767091).

20130241011121 is a wasteful number, since it uses less digits than its factorization.

20130241011121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104301767090.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 20130241011121 its reverse (12111014203102), we get a palindrome (32241255214223).

The spelling of 20130241011121 in words is "twenty trillion, one hundred thirty billion, two hundred forty-one million, eleven thousand, one hundred twenty-one".