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222112101020 = 225193111879439
BaseRepresentation
bin1100111011011011101…
…0011011001010011100
3210020022101002210122212
43032312322123022130
512114341144213040
6250011545055552
722022100464555
oct3166672331234
9706271083585
10222112101020
1186219543a57
1237068a875b8
1317c39460914
14aa70ac332c
155b9e847d65
hex33b6e9b29c

222112101020 has 48 divisors (see below), whose sum is σ = 492563635200. Its totient is φ = 83898112320.

The previous prime is 222112101017. The next prime is 222112101023. The reversal of 222112101020 is 20101211222.

It is an interprime number because it is at equal distance from previous prime (222112101017) and next prime (222112101023).

It is a junction number, because it is equal to n+sod(n) for n = 222112100986 and 222112101004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222112101023) 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, 821540 + ... + 1057899.

It is an arithmetic number, because the mean of its divisors is an integer number (10261742400).

Almost surely, 2222112101020 is an apocalyptic number.

222112101020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222112101020 is an abundant number, since it is smaller than the sum of its proper divisors (270451534180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222112101020 is a wasteful number, since it uses less digits than its factorization.

222112101020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1879778 (or 1879776 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 222112101020 its reverse (20101211222), we get a palindrome (242213312242).

The spelling of 222112101020 in words is "two hundred twenty-two billion, one hundred twelve million, one hundred one thousand, twenty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 311 380 622 1244 1555 3110 5909 6220 11818 23636 29545 59090 118180 1879439 3758878 7517756 9397195 18794390 35709341 37588780 71418682 142837364 178546705 357093410 584505529 714186820 1169011058 2338022116 2922527645 5845055290 11105605051 11690110580 22211210102 44422420204 55528025255 111056050510 222112101020