2013012223221 has 8 divisors (see below), whose sum is σ = 2684863805184. Its totient is φ = 1341584395040.

The previous prime is 2013012223171. The next prime is 2013012223237. The reversal of 2013012223221 is 1223222103102.

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

It is a cyclic number.

It is not a de Polignac number, because 2013012223221 - 2⁹ = 2013012222709 is a prime.

It is a super-2 number, since 2×2013012223221² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2013012223021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105927360 + ... + 105946361.

It is an arithmetic number, because the mean of its divisors is an integer number (335607975648).

Almost surely, 2^{2013012223221} is an apocalyptic number.

It is an amenable number.

2013012223221 is a deficient number, since it is larger than the sum of its proper divisors (671851581963).

2013012223221 is a wasteful number, since it uses less digits than its factorization.

2013012223221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211876891.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 2013012223221 its reverse (1223222103102), we get a palindrome (3236234326323).

The spelling of 2013012223221 in words is "two trillion, thirteen billion, twelve million, two hundred twenty-three thousand, two hundred twenty-one".