13101220110021 has 16 divisors (see below), whose sum is σ = 17939623910400. Its totient is φ = 8500557871088.

The previous prime is 13101220109987. The next prime is 13101220110031. The reversal of 13101220110021 is 12001102210131.

It is a cyclic number.

It is not a de Polignac number, because 13101220110021 - 2¹³ = 13101220101829 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13101220110031) 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, 259517931 + ... + 259568408.

It is an arithmetic number, because the mean of its divisors is an integer number (1121226494400).

Almost surely, 2^{13101220110021} is an apocalyptic number.

It is an amenable number.

13101220110021 is a deficient number, since it is larger than the sum of its proper divisors (4838403800379).

13101220110021 is a wasteful number, since it uses less digits than its factorization.

13101220110021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519086568.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 13101220110021 its reverse (12001102210131), we get a palindrome (25102322320152).

The spelling of 13101220110021 in words is "thirteen trillion, one hundred one billion, two hundred twenty million, one hundred ten thousand, twenty-one".