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211201111102211 = 2911197650423947
BaseRepresentation
bin110000000001011000010111…
…001101000001001100000011
31000200210121222120022021001222
4300001120113031001030003
5210140304333420232321
62025104241225545255
762325530263621166
oct6001302715011403
91020717876267058
10211201111102211
1161327985240a4a
121b83023494522b
1390b0243c6c219
143a2228ca69add
151963c5b4e83ab
hexc01617341303

211201111102211 has 8 divisors (see below), whose sum is σ = 218503421091120. Its totient is φ = 203900101983648.

The previous prime is 211201111102183. The next prime is 211201111102271. The reversal of 211201111102211 is 112201111102112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 211201111102211 - 26 = 211201111102147 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 211201111102211.

It is not an unprimeable number, because it can be changed into a prime (211201111102271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 324887261 + ... + 325536686.

It is an arithmetic number, because the mean of its divisors is an integer number (27312927636390).

Almost surely, 2211201111102211 is an apocalyptic number.

211201111102211 is a deficient number, since it is larger than the sum of its proper divisors (7302309988909).

211201111102211 is a wasteful number, since it uses less digits than its factorization.

211201111102211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 650435173.

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 211201111102211 its reverse (112201111102112), we get a palindrome (323402222204323).

Subtracting from 211201111102211 its reverse (112201111102112), we obtain a palindrome (99000000000099).

The spelling of 211201111102211 in words is "two hundred eleven trillion, two hundred one billion, one hundred eleven million, one hundred two thousand, two hundred eleven".

Divisors: 1 29 11197 324713 650423947 18862294463 7282796934559 211201111102211