21110013322013 has 8 divisors (see below), whose sum is σ = 26318977648320. Its totient is φ = 16449361030080.

The previous prime is 21110013322001. The next prime is 21110013322031. The reversal of 21110013322013 is 31022331001112.

It is a happy number.

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

It is not a de Polignac number, because 21110013322013 - 2²⁴ = 21109996544797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21110013322033) 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, 137078008508 + ... + 137078008661.

It is an arithmetic number, because the mean of its divisors is an integer number (3289872206040).

Almost surely, 2^{21110013322013} is an apocalyptic number.

It is an amenable number.

21110013322013 is a deficient number, since it is larger than the sum of its proper divisors (5208964326307).

21110013322013 is a wasteful number, since it uses less digits than its factorization.

21110013322013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274156017187.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 21110013322013 its reverse (31022331001112), we get a palindrome (52132344323125).

The spelling of 21110013322013 in words is "twenty-one trillion, one hundred ten billion, thirteen million, three hundred twenty-two thousand, thirteen".