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2112212201000 = 235311192019291
BaseRepresentation
bin11110101111001001101…
…010000110111000101000
321110220222200220021121112
4132233021222012320220
5234101302310413000
64254200433525452
7305413405322066
oct36571152067050
97426880807545
102112212201000
117448697a4290
122a143b713888
13124247175245
14743357a9036
1539e24402235
hex1ebc9a86e28

2112212201000 has 64 divisors (see below), whose sum is σ = 5391901719360. Its totient is φ = 768077160000.

The previous prime is 2112212200927. The next prime is 2112212201017. The reversal of 2112212201000 is 1022122112.

It is a super-2 number, since 2×21122122010002 (a number of 25 digits) contains 22 as substring.

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, 95998646 + ... + 96020645.

It is an arithmetic number, because the mean of its divisors is an integer number (84248464365).

Almost surely, 22112212201000 is an apocalyptic number.

2112212201000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2112212201000 is an abundant number, since it is smaller than the sum of its proper divisors (3279689518360).

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

2112212201000 is a wasteful number, since it uses less digits than its factorization.

2112212201000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192019323 (or 192019309 counting only the distinct ones).

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

Adding to 2112212201000 its reverse (1022122112), we get a palindrome (2113234323112).

The spelling of 2112212201000 in words is "two trillion, one hundred twelve billion, two hundred twelve million, two hundred one thousand".

Divisors: 1 2 4 5 8 10 11 20 22 25 40 44 50 55 88 100 110 125 200 220 250 275 440 500 550 1000 1100 1375 2200 2750 5500 11000 192019291 384038582 768077164 960096455 1536154328 1920192910 2112212201 3840385820 4224424402 4800482275 7680771640 8448848804 9600964550 10561061005 16897697608 19201929100 21122122010 24002411375 38403858200 42244244020 48004822750 52805305025 84488488040 96009645500 105610610050 192019291000 211221220100 264026525125 422442440200 528053050250 1056106100500 2112212201000