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112240401221 = 13471210715173
BaseRepresentation
bin110100010001000001…
…1001001101101000101
3101201201020010011002002
41220202003021231011
53314332020314341
6123321301155045
711052264445304
oct1504203115505
9351636104062
10112240401221
1143667864773
12199050bba85
13a7797058c0
14560a97a43b
152dbdb4529b
hex1a220c9b45

112240401221 has 16 divisors (see below), whose sum is σ = 123464404224. Its totient is φ = 101387072064.

The previous prime is 112240401211. The next prime is 112240401257. The reversal of 112240401221 is 122104042211.

It is a cyclic number.

It is not a de Polignac number, because 112240401221 - 222 = 112236206917 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112240401193 and 112240401202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112240401211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7389791 + ... + 7404963.

It is an arithmetic number, because the mean of its divisors is an integer number (7716525264).

Almost surely, 2112240401221 is an apocalyptic number.

It is an amenable number.

112240401221 is a deficient number, since it is larger than the sum of its proper divisors (11224003003).

112240401221 is a wasteful number, since it uses less digits than its factorization.

112240401221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27340.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 112240401221 its reverse (122104042211), we get a palindrome (234344443432).

The spelling of 112240401221 in words is "one hundred twelve billion, two hundred forty million, four hundred one thousand, two hundred twenty-one".

Divisors: 1 13 47 611 12107 15173 157391 197249 569029 713131 7397377 9270703 183699511 2388093643 8633877017 112240401221