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211121112100201 = 1637755071670161
BaseRepresentation
bin110000000000001101110110…
…111001000010110101101001
31000200111222111022001220001121
4300000031312321002311221
5210133002014144201301
62025003411105415241
762316665653414162
oct6000156671026551
91020458438056047
10211121112100201
11612a6a62956756
121b81882933a521
1390a58350c6744
143a1c4600b0769
151961b281753a1
hexc00376e42d69

211121112100201 has 8 divisors (see below), whose sum is σ = 212416734736544. Its totient is φ = 209825494355520.

The previous prime is 211121112100189. The next prime is 211121112100243. The reversal of 211121112100201 is 102001211121112.

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 211121112100201 - 25 = 211121112100169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211121112100271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125572561 + ... + 127242721.

It is an arithmetic number, because the mean of its divisors is an integer number (26552091842068).

Almost surely, 2211121112100201 is an apocalyptic number.

It is an amenable number.

211121112100201 is a deficient number, since it is larger than the sum of its proper divisors (1295622636343).

211121112100201 is a wasteful number, since it uses less digits than its factorization.

211121112100201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2445831.

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

Adding to 211121112100201 its reverse (102001211121112), we get a palindrome (313122323221313).

The spelling of 211121112100201 in words is "two hundred eleven trillion, one hundred twenty-one billion, one hundred twelve million, one hundred thousand, two hundred one".

Divisors: 1 163 775507 1670161 126407641 272236243 1295221546627 211121112100201