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211222212011210 = 25233732462084299
BaseRepresentation
bin110000000001101100000000…
…111010100110010011001010
31000200212122110010101111120002
4300001230000322212103022
5210141131042233324320
62025122051123403002
762330205214445261
oct6001540072462312
91020778403344502
10211222212011210
1161335923146214
121b834343523462
1390b22277554aa
143a232d12495d8
151964593c29675
hexc01b00ea64ca

211222212011210 has 32 divisors (see below), whose sum is σ = 397794036182400. Its totient is φ = 80598791579328.

The previous prime is 211222212011201. The next prime is 211222212011221. The reversal of 211222212011210 is 12110212222112.

It is a super-2 number, since 2×2112222120112102 (a number of 29 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, 1230956360 + ... + 1231127939.

It is an arithmetic number, because the mean of its divisors is an integer number (12431063630700).

Almost surely, 2211222212011210 is an apocalyptic number.

211222212011210 is a deficient number, since it is larger than the sum of its proper divisors (186571824171190).

211222212011210 is a wasteful number, since it uses less digits than its factorization.

211222212011210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2462084702.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 211222212011210 its reverse (12110212222112), we get a palindrome (223332424233322).

The spelling of 211222212011210 in words is "two hundred eleven trillion, two hundred twenty-two billion, two hundred twelve million, eleven thousand, two hundred ten".

Divisors: 1 2 5 10 23 46 115 230 373 746 1865 3730 8579 17158 42895 85790 2462084299 4924168598 12310421495 24620842990 56627938877 113255877754 283139694385 566279388770 918357443527 1836714887054 4591787217635 9183574435270 21122221201121 42244442402242 105611106005605 211222212011210