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2111200122200 = 235213812000047
BaseRepresentation
bin11110101110001101010…
…101010101010101011000
321110211101011111100111112
4132232031111111111120
5234042214212402300
64253512201315452
7305346335643041
oct36561525252530
97424334440445
102111200122200
1174439a480524
122a11b8795b88
13124115599250
147427b1d58c8
1539db5636e35
hex1eb8d555558

2111200122200 has 48 divisors (see below), whose sum is σ = 5286120312480. Its totient is φ = 779520044160.

The previous prime is 2111200122197. The next prime is 2111200122217. The reversal of 2111200122200 is 22210021112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 405997424 + ... + 406002623.

It is an arithmetic number, because the mean of its divisors is an integer number (110127506510).

Almost surely, 22111200122200 is an apocalyptic number.

2111200122200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2111200122200 is an abundant number, since it is smaller than the sum of its proper divisors (3174920190280).

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

2111200122200 is a wasteful number, since it uses less digits than its factorization.

2111200122200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 812000076 (or 812000067 counting only the distinct ones).

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

Adding to 2111200122200 its reverse (22210021112), we get a palindrome (2133410143312).

The spelling of 2111200122200 in words is "two trillion, one hundred eleven billion, two hundred million, one hundred twenty-two thousand, two hundred".

Divisors: 1 2 4 5 8 10 13 20 25 26 40 50 52 65 100 104 130 200 260 325 520 650 1300 2600 812000047 1624000094 3248000188 4060000235 6496000376 8120000470 10556000611 16240000940 20300001175 21112001222 32480001880 40600002350 42224002444 52780003055 81200004700 84448004888 105560006110 162400009400 211120012220 263900015275 422240024440 527800030550 1055600061100 2111200122200