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211012022222 = 2891279334337
BaseRepresentation
bin1100010010000101001…
…0111110111111001110
3202011122210100101010022
43010201102332333032
511424123034202342
6240534303542142
721150034411031
oct3044122767716
9664583311108
10211012022222
1181542870511
1234a8b5ba952
1316b8a895961
14a2da801018
1557500da9d2
hex31214befce

211012022222 has 16 divisors (see below), whose sum is σ = 322594721280. Its totient is φ = 103499117568.

The previous prime is 211012022209. The next prime is 211012022321. The reversal of 211012022222 is 222220210112.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 211012022222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4644563 + ... + 4689774.

It is an arithmetic number, because the mean of its divisors is an integer number (20162170080).

Almost surely, 2211012022222 is an apocalyptic number.

211012022222 is a deficient number, since it is larger than the sum of its proper divisors (111582699058).

211012022222 is a wasteful number, since it uses less digits than its factorization.

211012022222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9334555.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 211012022222 its reverse (222220210112), we get a palindrome (433232232334).

The spelling of 211012022222 in words is "two hundred eleven billion, twelve million, twenty-two thousand, two hundred twenty-two".

Divisors: 1 2 89 127 178 254 11303 22606 9334337 18668674 830755993 1185460799 1661511986 2370921598 105506011111 211012022222