2013353221121 has 16 divisors (see below), whose sum is σ = 2222119394880. Its totient is φ = 1808960662080.

The previous prime is 2013353221051. The next prime is 2013353221127. The reversal of 2013353221121 is 1211223533102.

It is a de Polignac number, because none of the positive numbers 2^k-2013353221121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2013353221127) 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, 1638851 + ... + 2590856.

It is an arithmetic number, because the mean of its divisors is an integer number (138882462180).

Almost surely, 2^{2013353221121} is an apocalyptic number.

It is an amenable number.

2013353221121 is a deficient number, since it is larger than the sum of its proper divisors (208766173759).

2013353221121 is a wasteful number, since it uses less digits than its factorization.

2013353221121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4230224.

The product of its (nonzero) digits is 2160, while the sum is 26.

Adding to 2013353221121 its reverse (1211223533102), we get a palindrome (3224576754223).

The spelling of 2013353221121 in words is "two trillion, thirteen billion, three hundred fifty-three million, two hundred twenty-one thousand, one hundred twenty-one".