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112102112212111 = 716014587458873
BaseRepresentation
bin11001011111010011001110…
…100100111011010010001111
3112200220212010221112110122001
4121133103032210323102033
5104143140111211241421
61034230555511533131
732420052562512130
oct3137231644732217
9480825127473561
10112102112212111
11327a026993631a
12106a618268a1a7
134a72250b1a7c8
141d97ab2199c87
15ce60770a5691
hex65f4ce93b48f

112102112212111 has 4 divisors (see below), whose sum is σ = 128116699670992. Its totient is φ = 96087524753232.

The previous prime is 112102112212081. The next prime is 112102112212133. The reversal of 112102112212111 is 111212211201211.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-112102112212111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112102112212151) 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, 8007293729430 + ... + 8007293729443.

It is an arithmetic number, because the mean of its divisors is an integer number (32029174917748).

Almost surely, 2112102112212111 is an apocalyptic number.

112102112212111 is a deficient number, since it is larger than the sum of its proper divisors (16014587458881).

112102112212111 is an equidigital number, since it uses as much as digits as its factorization.

112102112212111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16014587458880.

The product of its (nonzero) digits is 32, while the sum is 19.

Adding to 112102112212111 its reverse (111212211201211), we get a palindrome (223314323413322).

The spelling of 112102112212111 in words is "one hundred twelve trillion, one hundred two billion, one hundred twelve million, two hundred twelve thousand, one hundred eleven".

Divisors: 1 7 16014587458873 112102112212111