Search a number
-
+
2112101101 = 112412711571
BaseRepresentation
bin111110111100100…
…0001101011101101
312110012021212000201
41331321001223231
513311144213401
6545325353501
7103224364105
oct17571015355
95405255021
102112101101
11994253900
124ab408891
13278766b86
1416071a205
15c5657b01
hex7de41aed

2112101101 has 24 divisors (see below), whose sum is σ = 2388484224. Its totient is φ = 1865160000.

The previous prime is 2112101053. The next prime is 2112101107. The reversal of 2112101101 is 1011012112.

It is not a de Polignac number, because 2112101101 - 27 = 2112100973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112101107) 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 23 ways as a sum of consecutive naturals, for example, 1343646 + ... + 1345216.

It is an arithmetic number, because the mean of its divisors is an integer number (99520176).

Almost surely, 22112101101 is an apocalyptic number.

It is an amenable number.

2112101101 is a deficient number, since it is larger than the sum of its proper divisors (276383123).

2112101101 is a wasteful number, since it uses less digits than its factorization.

2112101101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1905 (or 1894 counting only the distinct ones).

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

The square root of 2112101101 is about 45957.6011232092. The cubic root of 2112101101 is about 1283.0342042050.

Adding to 2112101101 its reverse (1011012112), we get a palindrome (3123113213).

It can be divided in two parts, 2112 and 101101, that multiplied together give a palindrome (213525312).

The spelling of 2112101101 in words is "two billion, one hundred twelve million, one hundred one thousand, one hundred one".

Divisors: 1 11 41 121 271 451 1571 2981 4961 11111 17281 32791 64411 122221 190091 425741 708521 1344431 4683151 7793731 17455381 51514661 192009191 2112101101