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22100120210 = 2571261325031
BaseRepresentation
bin10100100101010001…
…010001001010010010
32010001012021102120202
4110211101101022102
5330230112321320
614052550135202
71411442631230
oct244521211222
963035242522
1022100120210
119410a3a463
124349351502
13211280840c
1410d91a3950
15895308b75
hex525451292

22100120210 has 32 divisors (see below), whose sum is σ = 45468525312. Its totient is φ = 7576280640.

The previous prime is 22100120209. The next prime is 22100120267. The reversal of 22100120210 is 1202100122.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22100120191 and 22100120200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 870395 + ... + 895425.

It is an arithmetic number, because the mean of its divisors is an integer number (1420891416).

Almost surely, 222100120210 is an apocalyptic number.

22100120210 is an abundant number, since it is smaller than the sum of its proper divisors (23368405102).

22100120210 is a wasteful number, since it uses less digits than its factorization.

22100120210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37658.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 22100120210 its reverse (1202100122), we get a palindrome (23302220332).

The spelling of 22100120210 in words is "twenty-two billion, one hundred million, one hundred twenty thousand, two hundred ten".

Divisors: 1 2 5 7 10 14 35 70 12613 25031 25226 50062 63065 88291 125155 126130 175217 176582 250310 350434 441455 876085 882910 1752170 315716003 631432006 1578580015 2210012021 3157160030 4420024042 11050060105 22100120210