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210101120011211 = 11138918169908597
BaseRepresentation
bin101111110001010111111010…
…101000000000101111001011
31000112220110201022000010012012
4233301113322220000233023
5210014244043210324321
62022503042211210135
762153206420620332
oct5761277250005713
91015813638003165
10210101120011211
1160a43425a15470
121b693007ba694b
1390305b1c93060
1439c4d3c840d19
15194532b70705b
hexbf15faa00bcb

210101120011211 has 32 divisors (see below), whose sum is σ = 249619491979200. Its totient is φ = 174317849671680.

The previous prime is 210101120011183. The next prime is 210101120011213. The reversal of 210101120011211 is 112110021101012.

It is a de Polignac number, because none of the positive numbers 2k-210101120011211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210101120011213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 230782565 + ... + 231691161.

It is an arithmetic number, because the mean of its divisors is an integer number (7800609124350).

Almost surely, 2210101120011211 is an apocalyptic number.

210101120011211 is a deficient number, since it is larger than the sum of its proper divisors (39518371967989).

210101120011211 is a wasteful number, since it uses less digits than its factorization.

210101120011211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 926879.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 210101120011211 its reverse (112110021101012), we get a palindrome (322211141112223).

The spelling of 210101120011211 in words is "two hundred ten trillion, one hundred one billion, one hundred twenty million, eleven thousand, two hundred eleven".

Divisors: 1 11 13 89 143 979 1157 12727 18169 199859 236197 908597 1617041 2598167 9994567 11811761 17787451 21021533 80865133 129929371 231236863 889516463 1051246729 11563714019 16508298893 181591287823 214607885609 1469238601477 2360686741699 16161624616247 19100101819201 210101120011211