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112110110112221 = 1353579128097779
BaseRepresentation
bin11001011111011010101011…
…010010011111100111011101
3112200221121210022222220000122
4121133122223102133213131
5104143303001142042341
61034234401254404325
732420455016525144
oct3137325322374735
9480847708886018
10112110110112221
11327a36a34aa021
12106a78350606a5
134a72c26aa6b90
141d9823047875b
15ce63942d894b
hex65f6ab49f9dd

112110110112221 has 16 divisors (see below), whose sum is σ = 123033210370560. Its totient is φ = 101516148002880.

The previous prime is 112110110112191. The next prime is 112110110112223. The reversal of 112110110112221 is 122211011011211.

It is a de Polignac number, because none of the positive numbers 2k-112110110112221 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 112110110112221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112110110112223) 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, 10058891 + ... + 18038888.

It is an arithmetic number, because the mean of its divisors is an integer number (7689575648160).

Almost surely, 2112110110112221 is an apocalyptic number.

It is an amenable number.

112110110112221 is a deficient number, since it is larger than the sum of its proper divisors (10923100258339).

112110110112221 is a wasteful number, since it uses less digits than its factorization.

112110110112221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28103636.

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 112110110112221 its reverse (122211011011211), we get a palindrome (234321121123432).

The spelling of 112110110112221 in words is "one hundred twelve trillion, one hundred ten billion, one hundred ten million, one hundred twelve thousand, two hundred twenty-one".

Divisors: 1 13 53 689 5791 75283 306923 3989999 28097779 365271127 1489182287 19359369731 162714238189 2115285096457 8623854624017 112110110112221