2013321201121 has 4 divisors (see below), whose sum is σ = 2013376248000. Its totient is φ = 2013266154244.

The previous prime is 2013321201097. The next prime is 2013321201247. The reversal of 2013321201121 is 1211021233102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2013321201121 is a prime.

It is a super-2 number, since 2×2013321201121² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2013321205121) 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, 27468541 + ... + 27541738.

It is an arithmetic number, because the mean of its divisors is an integer number (503344062000).

Almost surely, 2^{2013321201121} is an apocalyptic number.

It is an amenable number.

2013321201121 is a deficient number, since it is larger than the sum of its proper divisors (55046879).

2013321201121 is an equidigital number, since it uses as much as digits as its factorization.

2013321201121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55046878.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 2013321201121 its reverse (1211021233102), we get a palindrome (3224342434223).

The spelling of 2013321201121 in words is "two trillion, thirteen billion, three hundred twenty-one million, two hundred one thousand, one hundred twenty-one".