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11102211101 is a prime number
BaseRepresentation
bin10100101011011111…
…00100110000011101
31001122201202202111202
422111233210300131
5140214131223401
65033354525245
7542060144252
oct122557446035
931581682452
1011102211101
1147879aa583
12219a136825
13107c1636a7
147746b9429
1544ea2e06b
hex295be4c1d

11102211101 has 2 divisors, whose sum is σ = 11102211102. Its totient is φ = 11102211100.

The previous prime is 11102211049. The next prime is 11102211103. The reversal of 11102211101 is 10111220111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10967535076 + 134676025 = 104726^2 + 11605^2 .

It is a cyclic number.

It is not a de Polignac number, because 11102211101 - 26 = 11102211037 is a prime.

Together with 11102211103, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11102211103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5551105550 + 5551105551.

It is an arithmetic number, because the mean of its divisors is an integer number (5551105551).

Almost surely, 211102211101 is an apocalyptic number.

It is an amenable number.

11102211101 is a deficient number, since it is larger than the sum of its proper divisors (1).

11102211101 is an equidigital number, since it uses as much as digits as its factorization.

11102211101 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 11.

Adding to 11102211101 its reverse (10111220111), we get a palindrome (21213431212).

The spelling of 11102211101 in words is "eleven billion, one hundred two million, two hundred eleven thousand, one hundred one".