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210120022222 = 211191907263597
BaseRepresentation
bin1100001110110000100…
…0010001100011001110
3202002100121220002011021
43003230020101203032
511420311211202342
6240310001144354
721115653501655
oct3035410214316
9662317802137
10210120022222
1181125302730
123488092b0ba
1316a77b406c6
14a25416819c
1556ebb3e567
hex30ec2118ce

210120022222 has 32 divisors (see below), whose sum is σ = 362120388480. Its totient is φ = 90434515680.

The previous prime is 210120022207. The next prime is 210120022327. The reversal of 210120022222 is 222220021012.

It is a junction number, because it is equal to n+sod(n) for n = 210120022196 and 210120022205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 665328 + ... + 928924.

It is an arithmetic number, because the mean of its divisors is an integer number (11316262140).

Almost surely, 2210120022222 is an apocalyptic number.

210120022222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

210120022222 is a deficient number, since it is larger than the sum of its proper divisors (152000366258).

210120022222 is a wasteful number, since it uses less digits than its factorization.

210120022222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265536.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 210120022222 its reverse (222220021012), we get a palindrome (432340043234).

The spelling of 210120022222 in words is "two hundred ten billion, one hundred twenty million, twenty-two thousand, two hundred twenty-two".

Divisors: 1 2 11 19 22 38 209 418 1907 3814 20977 36233 41954 72466 263597 398563 527194 797126 2899567 5008343 5799134 10016686 55091773 110183546 502679479 1005358958 5529474269 9550910101 11058948538 19101820202 105060011111 210120022222