Search a number
-
+
211112032211 is a prime number
BaseRepresentation
bin1100010010011101000…
…0011111011111010011
3202011220202112102000222
43010213100133133103
511424324140012321
6240552235303255
721152360444243
oct3044720373723
9664822472028
10211112032211
11815942694a3
1234ab8baab2b
1316ba5510b72
14a309bd5b23
155758c933ab
hex312741f7d3

211112032211 has 2 divisors, whose sum is σ = 211112032212. Its totient is φ = 211112032210.

The previous prime is 211112032193. The next prime is 211112032247. The reversal of 211112032211 is 112230211112.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-211112032211 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 211112032211.

It is not a weakly prime, because it can be changed into another prime (211112032291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105556016105 + 105556016106.

It is an arithmetic number, because the mean of its divisors is an integer number (105556016106).

Almost surely, 2211112032211 is an apocalyptic number.

211112032211 is a deficient number, since it is larger than the sum of its proper divisors (1).

211112032211 is an equidigital number, since it uses as much as digits as its factorization.

211112032211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 211112032211 its reverse (112230211112), we get a palindrome (323342243323).

The spelling of 211112032211 in words is "two hundred eleven billion, one hundred twelve million, thirty-two thousand, two hundred eleven".