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201111200101 = 72967101281521
BaseRepresentation
bin1011101101001100101…
…0010110000101100101
3201020002210012111110201
42323103022112011211
511243333431400401
6232220022550501
720346502665310
oct2732312260545
9636083174421
10201111200101
1178322036299
1232b87898431
1315c705c1a26
149a3b8d7977
155370cbdb01
hex2ed3296165

201111200101 has 64 divisors (see below), whose sum is σ = 245041666560. Its totient is φ = 161441280000.

The previous prime is 201111200053. The next prime is 201111200107. The reversal of 201111200101 is 101002111102.

201111200101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 201111200101 - 27 = 201111199973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201111200107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 386009721 + ... + 386010241.

It is an arithmetic number, because the mean of its divisors is an integer number (3828776040).

Almost surely, 2201111200101 is an apocalyptic number.

It is an amenable number.

201111200101 is a deficient number, since it is larger than the sum of its proper divisors (43930466459).

201111200101 is a wasteful number, since it uses less digits than its factorization.

201111200101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1006.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 201111200101 its reverse (101002111102), we get a palindrome (302113311203).

The spelling of 201111200101 in words is "two hundred one billion, one hundred eleven million, two hundred thousand, one hundred one".

Divisors: 1 7 29 67 101 203 281 469 521 707 1943 1967 2929 3647 6767 8149 13601 15109 18827 20503 28381 34907 47369 52621 57043 105763 131789 146401 196243 198667 244349 368347 545983 823049 1012303 1024807 1373701 1526009 1901527 3525607 3821881 4245629 5761343 7086121 9808867 10682063 13310689 14786501 24679249 29719403 55144283 68662069 102242603 103505507 284457143 386009981 428808529 715698221 990695567 1991200001 3001659703 6934868969 28730171443 201111200101