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211102122211 = 1378039191677
BaseRepresentation
bin1100010010011010101…
…0101100000011100011
3202011220001212221001221
43010212222230003203
511424314120402321
6240551243035511
721152210301151
oct3044652540343
9664801787057
10211102122211
118158970aa12
1234ab580bb97
1316ba3451266
14a3087763d1
155757e86e41
hex3126aac0e3

211102122211 has 8 divisors (see below), whose sum is σ = 212670574560. Its totient is φ = 209534069568.

The previous prime is 211102122191. The next prime is 211102122227. The reversal of 211102122211 is 112221201112.

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 211102122211 - 213 = 211102114019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211102122251) 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, 1005505 + ... + 1197181.

It is an arithmetic number, because the mean of its divisors is an integer number (26583821820).

Almost surely, 2211102122211 is an apocalyptic number.

211102122211 is a deficient number, since it is larger than the sum of its proper divisors (1568452349).

211102122211 is a wasteful number, since it uses less digits than its factorization.

211102122211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199853.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 211102122211 its reverse (112221201112), we get a palindrome (323323323323).

The spelling of 211102122211 in words is "two hundred eleven billion, one hundred two million, one hundred twenty-two thousand, two hundred eleven".

Divisors: 1 137 8039 191677 1101343 26259749 1540891403 211102122211