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111210100012220 = 225113111625403391
BaseRepresentation
bin11001010010010100011110…
…100000011011010010111100
3112120202120201002012200012012
4121102110132200123102330
5104034031241100342340
61032305114210430352
732265443644100426
oct3122243640332274
9476676632180165
10111210100012220
1132486a36240a20
12105813195923b8
134a090b51c2851
141d668519c3816
15cccc6ae64565
hex65251e81b4bc

111210100012220 has 48 divisors (see below), whose sum is σ = 255591432585216. Its totient is φ = 40310004072000.

The previous prime is 111210100012199. The next prime is 111210100012247. The reversal of 111210100012220 is 22210001012111.

It is a junction number, because it is equal to n+sod(n) for n = 111210100012195 and 111210100012204.

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, 812633276 + ... + 812770115.

It is an arithmetic number, because the mean of its divisors is an integer number (5324821512192).

Almost surely, 2111210100012220 is an apocalyptic number.

111210100012220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111210100012220 is an abundant number, since it is smaller than the sum of its proper divisors (144381332572996).

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

111210100012220 is a wasteful number, since it uses less digits than its factorization.

111210100012220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1625403722 (or 1625403720 counting only the distinct ones).

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

Adding to 111210100012220 its reverse (22210001012111), we get a palindrome (133420101024331).

The spelling of 111210100012220 in words is "one hundred eleven trillion, two hundred ten billion, one hundred million, twelve thousand, two hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 311 622 1244 1555 3110 3421 6220 6842 13684 17105 34210 68420 1625403391 3250806782 6501613564 8127016955 16254033910 17879437301 32508067820 35758874602 71517749204 89397186505 178794373010 357588746020 505500454601 1011000909202 2022001818404 2527502273005 5055004546010 5560505000611 10110009092020 11121010001222 22242020002444 27802525003055 55605050006110 111210100012220