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12100201111 is a prime number
BaseRepresentation
bin10110100010011101…
…00110101010010111
31011020021122220102201
423101032212222113
5144240122413421
65320405145331
7605566004155
oct132116465227
934207586381
1012100201111
11514a280209
1224183bb247
1311aab48a1b
1482b0623d5
154ac464b91
hex2d13a6a97

12100201111 has 2 divisors, whose sum is σ = 12100201112. Its totient is φ = 12100201110.

The previous prime is 12100201109. The next prime is 12100201121. The reversal of 12100201111 is 11110200121.

It is an a-pointer prime, because the next prime (12100201121) can be obtained adding 12100201111 to its sum of digits (10).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12100201111 - 21 = 12100201109 is a prime.

Together with 12100201109, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12100201121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6050100555 + 6050100556.

It is an arithmetic number, because the mean of its divisors is an integer number (6050100556).

Almost surely, 212100201111 is an apocalyptic number.

12100201111 is a deficient number, since it is larger than the sum of its proper divisors (1).

12100201111 is an equidigital number, since it uses as much as digits as its factorization.

12100201111 is an evil number, because the sum of its binary digits is even.

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

Adding to 12100201111 its reverse (11110200121), we get a palindrome (23210401232).

The spelling of 12100201111 in words is "twelve billion, one hundred million, two hundred one thousand, one hundred eleven".