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211012021210211 = 1319854333999961
BaseRepresentation
bin101111111110101000010000…
…100100010100110001100011
31000200010112220120022111011122
4233332220100210110301203
5210124210104412211321
62024441330113202455
762306054411224214
oct5776502044246143
91020115816274148
10211012021210211
11612647719a0431
121b7bb662b6042b
13909846b062970
143a1707193940b
15195dd90ca88ab
hexbfea10914c63

211012021210211 has 16 divisors (see below), whose sum is σ = 239204429886240. Its totient is φ = 184528330571520.

The previous prime is 211012021210153. The next prime is 211012021210219. The reversal of 211012021210211 is 112012120210112.

It is not a de Polignac number, because 211012021210211 - 234 = 210994841341027 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 211012021210211.

It is not an unprimeable number, because it can be changed into a prime (211012021210219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 210520271 + ... + 211520231.

It is an arithmetic number, because the mean of its divisors is an integer number (14950276867890).

Almost surely, 2211012021210211 is an apocalyptic number.

211012021210211 is a deficient number, since it is larger than the sum of its proper divisors (28192408676029).

211012021210211 is a wasteful number, since it uses less digits than its factorization.

211012021210211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1854326.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 211012021210211 its reverse (112012120210112), we get a palindrome (323024141420323).

The spelling of 211012021210211 in words is "two hundred eleven trillion, twelve billion, twenty-one million, two hundred ten thousand, two hundred eleven".

Divisors: 1 13 19 247 854333 999961 11106329 12999493 16232327 18999259 211020251 246990367 854299681013 11105895853169 16231693939247 211012021210211