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2111110112201 is a prime number
BaseRepresentation
bin11110101110000111111…
…101111110001111001001
321110211010220010100222212
4132232013331332033021
5234042023142042301
64253455224154505
7305344163606156
oct36560775761711
97424126110885
102111110112201
117443536926a2
122a1192608a35
131240cca428ac
147426d28522d
1539dac7a74bb
hex1eb87f7e3c9

2111110112201 has 2 divisors, whose sum is σ = 2111110112202. Its totient is φ = 2111110112200.

The previous prime is 2111110112197. The next prime is 2111110112213. The reversal of 2111110112201 is 1022110111112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1729359132601 + 381750979600 = 1315051^2 + 617860^2 .

It is a cyclic number.

It is not a de Polignac number, because 2111110112201 - 22 = 2111110112197 is a prime.

It is not a weakly prime, because it can be changed into another prime (2111110112261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055555056100 + 1055555056101.

It is an arithmetic number, because the mean of its divisors is an integer number (1055555056101).

Almost surely, 22111110112201 is an apocalyptic number.

It is an amenable number.

2111110112201 is a deficient number, since it is larger than the sum of its proper divisors (1).

2111110112201 is an equidigital number, since it uses as much as digits as its factorization.

2111110112201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 2111110112201 its reverse (1022110111112), we get a palindrome (3133220223313).

The spelling of 2111110112201 in words is "two trillion, one hundred eleven billion, one hundred ten million, one hundred twelve thousand, two hundred one".