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112217217211 = 1170501144701
BaseRepresentation
bin110100010000010101…
…0101101100010111011
3101201122121111021121001
41220200222231202323
53314310101422321
6123315112225431
711051563415401
oct1504052554273
9351577437531
10112217217211
114365576a230
12198b939b277
13a774979158
145607863471
152dbbab5c91
hex1a20aad8bb

112217217211 has 8 divisors (see below), whose sum is σ = 122421364848. Its totient is φ = 102013500000.

The previous prime is 112217217181. The next prime is 112217217227. The reversal of 112217217211 is 112712712211.

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 112217217211 - 211 = 112217215163 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 112217217211.

It is not an unprimeable number, because it can be changed into a prime (112217257211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 703161 + ... + 847861.

It is an arithmetic number, because the mean of its divisors is an integer number (15302670606).

Almost surely, 2112217217211 is an apocalyptic number.

112217217211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

112217217211 is a deficient number, since it is larger than the sum of its proper divisors (10204147637).

112217217211 is a wasteful number, since it uses less digits than its factorization.

112217217211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215213.

The product of its digits is 784, while the sum is 28.

Adding to 112217217211 its reverse (112712712211), we get a palindrome (224929929422).

The spelling of 112217217211 in words is "one hundred twelve billion, two hundred seventeen million, two hundred seventeen thousand, two hundred eleven".

Divisors: 1 11 70501 144701 775511 1591711 10201565201 112217217211