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2111012222213 is a prime number
BaseRepresentation
bin11110101110000010001…
…000100011010100000101
321110210220001221001011202
4132232002020203110011
5234041323112102323
64253441410112245
7305341564552466
oct36560210432405
97423801831152
102111012222213
11744303402484
122a116587b685
131240b568a61b
1474260282d6d
1539da3dbcd28
hex1eb82223505

2111012222213 has 2 divisors, whose sum is σ = 2111012222214. Its totient is φ = 2111012222212.

The previous prime is 2111012222149. The next prime is 2111012222233. The reversal of 2111012222213 is 3122222101112.

It is an a-pointer prime, because the next prime (2111012222233) can be obtained adding 2111012222213 to its sum of digits (20).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1307276663044 + 803735559169 = 1143362^2 + 896513^2 .

It is a cyclic number.

It is not a de Polignac number, because 2111012222213 - 26 = 2111012222149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2111012222233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055506111106 + 1055506111107.

It is an arithmetic number, because the mean of its divisors is an integer number (1055506111107).

Almost surely, 22111012222213 is an apocalyptic number.

It is an amenable number.

2111012222213 is a deficient number, since it is larger than the sum of its proper divisors (1).

2111012222213 is an equidigital number, since it uses as much as digits as its factorization.

2111012222213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 2111012222213 its reverse (3122222101112), we get a palindrome (5233234323325).

The spelling of 2111012222213 in words is "two trillion, one hundred eleven billion, twelve million, two hundred twenty-two thousand, two hundred thirteen".