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112110100011221 = 138623853847017
BaseRepresentation
bin11001011111011010101010…
…101011111101100011010101
3112200221121202121222201001112
4121133122222223331203111
5104143302441100324341
61034234400254104405
732420454534625154
oct3137325253754325
9480847677881045
10112110100011221
11327a369882aa94
12106a78317ab105
134a72c2497b360
141d9822cda959b
15ce6393490aeb
hex65f6aaafd8d5

112110100011221 has 4 divisors (see below), whose sum is σ = 120733953858252. Its totient is φ = 103486246164192.

The previous prime is 112110100011209. The next prime is 112110100011233. The reversal of 112110100011221 is 122110001011211.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (112110100011209) and next prime (112110100011233).

It can be written as a sum of positive squares in 2 ways, for example, as 70124378440900 + 41985721570321 = 8374030^2 + 6479639^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-112110100011221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112110100011196 and 112110100011205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112110100611221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4311926923496 + ... + 4311926923521.

It is an arithmetic number, because the mean of its divisors is an integer number (30183488464563).

Almost surely, 2112110100011221 is an apocalyptic number.

It is an amenable number.

112110100011221 is a deficient number, since it is larger than the sum of its proper divisors (8623853847031).

112110100011221 is an equidigital number, since it uses as much as digits as its factorization.

112110100011221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8623853847030.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 112110100011221 its reverse (122110001011211), we get a palindrome (234220101022432).

The spelling of 112110100011221 in words is "one hundred twelve trillion, one hundred ten billion, one hundred million, eleven thousand, two hundred twenty-one".

Divisors: 1 13 8623853847017 112110100011221