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22110112201 = 71311410031
BaseRepresentation
bin10100100101110111…
…011000100111001001
32010001220002002000111
4110211313120213021
5330240142042301
614053544234321
71411623565342
oct244567304711
963056062014
1022110112201
119416644601
12435076b9a1
1321148c6438
1410da6450c9
1589612e551
hex525dd89c9

22110112201 has 4 divisors (see below), whose sum is σ = 22421522304. Its totient is φ = 21798702100.

The previous prime is 22110112159. The next prime is 22110112247. The reversal of 22110112201 is 10221101122.

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: 10221101122 = 25110550561.

It is a cyclic number.

It is not a de Polignac number, because 22110112201 - 211 = 22110110153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22110112001) 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, 155704945 + ... + 155705086.

It is an arithmetic number, because the mean of its divisors is an integer number (5605380576).

Almost surely, 222110112201 is an apocalyptic number.

It is an amenable number.

22110112201 is a deficient number, since it is larger than the sum of its proper divisors (311410103).

22110112201 is an equidigital number, since it uses as much as digits as its factorization.

22110112201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311410102.

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

Adding to 22110112201 its reverse (10221101122), we get a palindrome (32331213323).

The spelling of 22110112201 in words is "twenty-two billion, one hundred ten million, one hundred twelve thousand, two hundred one".

Divisors: 1 71 311410031 22110112201