2013011433221 has 16 divisors (see below), whose sum is σ = 2107028246400. Its totient is φ = 1919543545920.

The previous prime is 2013011433161. The next prime is 2013011433239. The reversal of 2013011433221 is 1223341103102.

It is not a de Polignac number, because 2013011433221 - 2⁶ = 2013011433157 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2013011433271) 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, 11502230 + ... + 11675928.

It is an arithmetic number, because the mean of its divisors is an integer number (131689265400).

Almost surely, 2^{2013011433221} is an apocalyptic number.

It is an amenable number.

2013011433221 is a deficient number, since it is larger than the sum of its proper divisors (94016813179).

2013011433221 is a wasteful number, since it uses less digits than its factorization.

2013011433221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175276.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 2013011433221 its reverse (1223341103102), we get a palindrome (3236352536323).

The spelling of 2013011433221 in words is "two trillion, thirteen billion, eleven million, four hundred thirty-three thousand, two hundred twenty-one".