221112300113 has 8 divisors (see below), whose sum is σ = 235472197608. Its totient is φ = 206902768384.

The previous prime is 221112300109. The next prime is 221112300119. The reversal of 221112300113 is 311003211122.

It can be written as a sum of positive squares in 4 ways, for example, as 61034690704 + 160077609409 = 247052^2 + 400097^2 .

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 221112300113 - 2² = 221112300109 is a prime.

It is a super-2 number, since 2×221112300113² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 221112300091 and 221112300100.

It is not an unprimeable number, because it can be changed into a prime (221112300119) 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, 37588406 + ... + 37594287.

It is an arithmetic number, because the mean of its divisors is an integer number (29434024701).

Almost surely, 2^221112300113 is an apocalyptic number.

It is an amenable number.

221112300113 is a deficient number, since it is larger than the sum of its proper divisors (14359897495).

221112300113 is a wasteful number, since it uses less digits than its factorization.

221112300113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75182883.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 221112300113 its reverse (311003211122), we get a palindrome (532115511235).

The spelling of 221112300113 in words is "two hundred twenty-one billion, one hundred twelve million, three hundred thousand, one hundred thirteen".