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111221200201 = 1911821495199
BaseRepresentation
bin110011110010101001…
…1001101010101001001
3101122002012022101010011
41213211103031111021
53310240111401301
6123032212151521
711015110413616
oct1474523152511
9348065271104
10111221200201
1143194516981
121967b9085a1
13a646504b87
14555147150d
152d5e41ea51
hex19e54cd549

111221200201 has 8 divisors (see below), whose sum is σ = 117085088000. Its totient is φ = 105358326480.

The previous prime is 111221200199. The next prime is 111221200247. The reversal of 111221200201 is 102002122111.

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 111221200201 - 21 = 111221200199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111221600201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23001 + ... + 472198.

It is an arithmetic number, because the mean of its divisors is an integer number (14635636000).

Almost surely, 2111221200201 is an apocalyptic number.

It is an amenable number.

111221200201 is a deficient number, since it is larger than the sum of its proper divisors (5863887799).

111221200201 is a wasteful number, since it uses less digits than its factorization.

111221200201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507039.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 111221200201 its reverse (102002122111), we get a palindrome (213223322312).

The spelling of 111221200201 in words is "one hundred eleven billion, two hundred twenty-one million, two hundred thousand, two hundred one".

Divisors: 1 19 11821 224599 495199 9408781 5853747379 111221200201