Search a number
-
+
211010102111 = 4349031000859
BaseRepresentation
bin1100010010000100101…
…1101010001101011111
3202011122122201211020002
43010201023222031133
511424122041231421
6240534154444515
721150012163034
oct3044113521537
9664578654202
10211010102111
1181541779946
1234a8aa3373b
1316b8a3729b3
14a2da46138b
15574ed5bb0b
hex31212ea35f

211010102111 has 8 divisors (see below), whose sum is σ = 215961567360. Its totient is φ = 206060648472.

The previous prime is 211010102081. The next prime is 211010102113. The reversal of 211010102111 is 111201010112.

211010102111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-211010102111 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 211010102092 and 211010102101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211010102113) 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 7 ways as a sum of consecutive naturals, for example, 289601 + ... + 711258.

It is an arithmetic number, because the mean of its divisors is an integer number (26995195920).

Almost surely, 2211010102111 is an apocalyptic number.

211010102111 is a deficient number, since it is larger than the sum of its proper divisors (4951465249).

211010102111 is a wasteful number, since it uses less digits than its factorization.

211010102111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1005805.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 211010102111 its reverse (111201010112), we get a palindrome (322211112223).

The spelling of 211010102111 in words is "two hundred eleven billion, ten million, one hundred two thousand, one hundred eleven".

Divisors: 1 43 4903 210829 1000859 43036937 4907211677 211010102111