Search a number
-
+
212101201101100 = 22522121012011011
BaseRepresentation
bin110000001110011110101000…
…101111111000000100101100
31000210222200021101102202120111
4300032132220233320010230
5210300031224440213400
62031033540250225404
762450543326441153
oct6016365057700454
91023880241382514
10212101201101100
1161644683611293
121b956773125264
1391470992798bc
143a53a77d9c59a
15197c38b8a13ba
hexc0e7a8bf812c

212101201101100 has 18 divisors (see below), whose sum is σ = 460259606389604. Its totient is φ = 84840480440400.

The previous prime is 212101201101067. The next prime is 212101201101133. The reversal of 212101201101100 is 1101102101212.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (212101201101067) and next prime (212101201101133).

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 1060506005406 + ... + 1060506005605.

Almost surely, 2212101201101100 is an apocalyptic number.

212101201101100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212101201101100 is an abundant number, since it is smaller than the sum of its proper divisors (248158405288504).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212101201101100 is a wasteful number, since it uses less digits than its factorization.

212101201101100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2121012011025 (or 2121012011018 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 212101201101100 its reverse (1101102101212), we get a palindrome (213202303202312).

The spelling of 212101201101100 in words is "two hundred twelve trillion, one hundred one billion, two hundred one million, one hundred one thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 2121012011011 4242024022022 8484048044044 10605060055055 21210120110110 42420240220220 53025300275275 106050600550550 212101201101100