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111103132201 = 173642214637
BaseRepresentation
bin110011101111001000…
…0110100001000101001
3101121202222010220021021
41213132100310020221
53310014400212301
6123012353412441
711012145020215
oct1473620641051
9347688126237
10111103132201
1143133904716
121964826a121
13a627c06459
14553d8d9945
152d53d9b8a1
hex19de434229

111103132201 has 4 divisors (see below), whose sum is σ = 111745347012. Its totient is φ = 110460917392.

The previous prime is 111103132169. The next prime is 111103132207. The reversal of 111103132201 is 102231301111.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 69550348176 + 41552784025 = 263724^2 + 203845^2 .

It is a cyclic number.

It is not a de Polignac number, because 111103132201 - 25 = 111103132169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111103132207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 321107146 + ... + 321107491.

It is an arithmetic number, because the mean of its divisors is an integer number (27936336753).

Almost surely, 2111103132201 is an apocalyptic number.

It is an amenable number.

111103132201 is a deficient number, since it is larger than the sum of its proper divisors (642214811).

111103132201 is an equidigital number, since it uses as much as digits as its factorization.

111103132201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642214810.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 111103132201 its reverse (102231301111), we get a palindrome (213334433312).

The spelling of 111103132201 in words is "one hundred eleven billion, one hundred three million, one hundred thirty-two thousand, two hundred one".

Divisors: 1 173 642214637 111103132201