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110122102220221 = 7213282116197521
BaseRepresentation
bin11001000010011111001100…
…110010001110010110111101
3112102220120101122102020121201
4121002133030302032112331
5103413220031132021341
61030113221222055501
732124026231334100
oct3102371462162675
9472816348366551
10110122102220221
11320a758090a4a3
121042649927a591
13495a614b73100
141d29d1c550737
15cae7de01d331
hex6427ccc8e5bd

110122102220221 has 36 divisors (see below), whose sum is σ = 138882121329204. Its totient is φ = 87023443852800.

The previous prime is 110122102220213. The next prime is 110122102220233. The reversal of 110122102220221 is 122022201221011.

It can be written as a sum of positive squares in 6 ways, for example, as 41550271402500 + 68571830817721 = 6445950^2 + 8280811^2 .

It is not a de Polignac number, because 110122102220221 - 23 = 110122102220213 is a prime.

It is a super-3 number, since 3×1101221022202213 (a number of 43 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110122102220521) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1300060 + ... + 14897461.

It is an arithmetic number, because the mean of its divisors is an integer number (3857836703589).

Almost surely, 2110122102220221 is an apocalyptic number.

It is an amenable number.

110122102220221 is a deficient number, since it is larger than the sum of its proper divisors (28760019108983).

110122102220221 is a wasteful number, since it uses less digits than its factorization.

110122102220221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16198382 (or 16198362 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 110122102220221 its reverse (122022201221011), we get a palindrome (232144303441232).

The spelling of 110122102220221 in words is "one hundred ten trillion, one hundred twenty-two billion, one hundred two million, two hundred twenty thousand, two hundred twenty-one".

Divisors: 1 7 13 49 91 169 637 821 1183 5747 8281 10673 40229 74711 138749 522977 971243 6798701 16197521 113382647 210567773 793678529 1473974411 2737381049 10317820877 13298164741 19161667343 93087153187 134131671401 172876141633 651610072309 1210132991431 2247389841229 8470930940017 15731728888603 110122102220221