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1111112200220 = 225119901510101
BaseRepresentation
bin10000001010110011011…
…100101011000000011100
310221012222022122000201212
4100022303130223000130
5121201024210401340
62210234330323552
7143163252604511
oct20126334530034
93835868560655
101111112200220
11399246963540
1215b4112895b8
1380a15028589
143bac7223308
151dd81304a65
hex102b372b01c

1111112200220 has 48 divisors (see below), whose sum is σ = 2545719122016. Its totient is φ = 403999200000.

The previous prime is 1111112200199. The next prime is 1111112200223. The reversal of 1111112200220 is 220022111111.

It is a junction number, because it is equal to n+sod(n) for n = 1111112200195 and 1111112200204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111112200223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1923170 + ... + 2433270.

It is an arithmetic number, because the mean of its divisors is an integer number (53035815042).

Almost surely, 21111112200220 is an apocalyptic number.

1111112200220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1111112200220 is an abundant number, since it is smaller than the sum of its proper divisors (1434606921796).

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

1111112200220 is a wasteful number, since it uses less digits than its factorization.

1111112200220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520022 (or 520020 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1111112200220 its reverse (220022111111), we get a palindrome (1331134311331).

The spelling of 1111112200220 in words is "one trillion, one hundred eleven billion, one hundred twelve million, two hundred thousand, two hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 9901 19802 39604 49505 99010 108911 198020 217822 435644 510101 544555 1020202 1089110 2040404 2178220 2550505 5101010 5611111 10202020 11222222 22444444 28055555 56111110 112222220 5050510001 10101020002 20202040004 25252550005 50505100010 55555610011 101010200020 111111220022 222222440044 277778050055 555556100110 1111112200220