Search a number
-
+
212033011111 is a prime number
BaseRepresentation
bin1100010101111000100…
…1101111110110100111
3202021021221111222120121
43011132021233312213
511433220422323421
6241223455142411
721214242600025
oct3053611576647
9667257458517
10212033011111
1181a1711a589
1235115514a07
1316cc12713ac
14a396253715
1557aea65d41
hex315e26fda7

212033011111 has 2 divisors, whose sum is σ = 212033011112. Its totient is φ = 212033011110.

The previous prime is 212033011093. The next prime is 212033011121. The reversal of 212033011111 is 111110330212.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212033011111 - 25 = 212033011079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212033011121) by changing a digit.

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 as a sum of consecutive naturals, namely, 106016505555 + 106016505556.

It is an arithmetic number, because the mean of its divisors is an integer number (106016505556).

Almost surely, 2212033011111 is an apocalyptic number.

212033011111 is a deficient number, since it is larger than the sum of its proper divisors (1).

212033011111 is an equidigital number, since it uses as much as digits as its factorization.

212033011111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 212033011111 its reverse (111110330212), we get a palindrome (323143341323).

The spelling of 212033011111 in words is "two hundred twelve billion, thirty-three million, eleven thousand, one hundred eleven".