221100120110013 has 16 divisors (see below), whose sum is σ = 296680157684736. Its totient is φ = 146460095795520.

The previous prime is 221100120109969. The next prime is 221100120110081. The reversal of 221100120110013 is 310011021001122.

It is a de Polignac number, because none of the positive numbers 2^k-221100120110013 is a prime.

It is a super-2 number, since 2×221100120110013² (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 221100120109974 and 221100120110001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221100120120013) 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, 61643620 + ... + 65131682.

It is an arithmetic number, because the mean of its divisors is an integer number (18542509855296).

Almost surely, 2^{221100120110013} is an apocalyptic number.

It is an amenable number.

221100120110013 is a deficient number, since it is larger than the sum of its proper divisors (75580037574723).

221100120110013 is a wasteful number, since it uses less digits than its factorization.

221100120110013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3622804.

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

Adding to 221100120110013 its reverse (310011021001122), we get a palindrome (531111141111135).

The spelling of 221100120110013 in words is "two hundred twenty-one trillion, one hundred billion, one hundred twenty million, one hundred ten thousand, thirteen".