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201211101112101 = 3160967936136391
BaseRepresentation
bin101101110000000000011100…
…001101001110011100100101
3222101102121000121001002111220
4231300000130031032130211
5202333120313341041401
61551535034225250553
760245010442030053
oct5560003415163445
9871377017032456
10201211101112101
1159126170019253
121a698086793a59
138837182713c72
14379895261d1d3
15183de6863d336
hexb7001c34e725

201211101112101 has 16 divisors (see below), whose sum is σ = 268487768277120. Its totient is φ = 134037608590080.

The previous prime is 201211101112057. The next prime is 201211101112121. The reversal of 201211101112101 is 101211101112102.

It is not a de Polignac number, because 201211101112101 - 221 = 201211099014949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201211101112121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29721616 + ... + 35858006.

It is an arithmetic number, because the mean of its divisors is an integer number (16780485517320).

Almost surely, 2201211101112101 is an apocalyptic number.

It is an amenable number.

201211101112101 is a deficient number, since it is larger than the sum of its proper divisors (67276667165019).

201211101112101 is a wasteful number, since it uses less digits than its factorization.

201211101112101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6144796.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 201211101112101 its reverse (101211101112102), we get a palindrome (302422202224203).

Subtracting from 201211101112101 its reverse (101211101112102), we obtain a palindrome (99999999999999).

The spelling of 201211101112101 in words is "two hundred one trillion, two hundred eleven billion, one hundred one million, one hundred twelve thousand, one hundred one".

Divisors: 1 3 1609 4827 6793 20379 6136391 10929937 18409173 32789811 9873453119 29620359357 41684504063 125053512189 67070367037367 201211101112101