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111001112201 = 715857301743
BaseRepresentation
bin110011101100000101…
…1101000111010001001
3101121111212011202010202
41213120023220322021
53304312241042301
6122554311021545
711006465612630
oct1473013507211
9347455152122
10111001112201
1143091263571
121961a06a8b5
13a60ca363a5
145530140517
152d49e4866b
hex19d82e8e89

111001112201 has 4 divisors (see below), whose sum is σ = 126858413952. Its totient is φ = 95143810452.

The previous prime is 111001112119. The next prime is 111001112227. The reversal of 111001112201 is 102211100111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 102211100111 = 177383576217.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-111001112201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111001112801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7928650865 + ... + 7928650878.

It is an arithmetic number, because the mean of its divisors is an integer number (31714603488).

Almost surely, 2111001112201 is an apocalyptic number.

It is an amenable number.

111001112201 is a deficient number, since it is larger than the sum of its proper divisors (15857301751).

111001112201 is an equidigital number, since it uses as much as digits as its factorization.

111001112201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15857301750.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 111001112201 its reverse (102211100111), we get a palindrome (213212212312).

The spelling of 111001112201 in words is "one hundred eleven billion, one million, one hundred twelve thousand, two hundred one".

Divisors: 1 7 15857301743 111001112201