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112020102012221 = 1324315414903263
BaseRepresentation
bin11001011110000110110110…
…011000110101110100111101
3112200122000110111212122210022
4121132012312120311310331
5104140314132103342341
61034125154024421525
732411120361354344
oct3136066630656475
9480560414778708
10112020102012221
1132769505256317
12106922b56178a5
134a675b13a9b00
141d93b3246cb5b
15ce3d773abe4b
hex65e1b6635d3d

112020102012221 has 12 divisors (see below), whose sum is σ = 124120801081728. Its totient is φ = 100998446172624.

The previous prime is 112020102012211. The next prime is 112020102012227. The reversal of 112020102012221 is 122210201020211.

It is not a de Polignac number, because 112020102012221 - 234 = 112002922143037 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 112020102012221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112020102012227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7707444365 + ... + 7707458898.

It is an arithmetic number, because the mean of its divisors is an integer number (10343400090144).

Almost surely, 2112020102012221 is an apocalyptic number.

It is an amenable number.

112020102012221 is a deficient number, since it is larger than the sum of its proper divisors (12100699069507).

112020102012221 is a wasteful number, since it uses less digits than its factorization.

112020102012221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15414903332 (or 15414903319 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 112020102012221 its reverse (122210201020211), we get a palindrome (234230303032432).

The spelling of 112020102012221 in words is "one hundred twelve trillion, twenty billion, one hundred two million, twelve thousand, two hundred twenty-one".

Divisors: 1 13 43 169 559 7267 15414903263 200393742419 662840840309 2605118651447 8616930924017 112020102012221