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11212112002187 is a prime number
BaseRepresentation
bin1010001100101000010111…
…1100111111110010001011
31110200212102100210211021102
42203022011330333302023
52432144401133032222
635502434555532015
72235022405355135
oct243120574776213
943625370724242
1011212112002187
113633036a20678
121310b9575a00b
136343b3b61515
142aa9520ac055
151469bd124d92
hexa3285f3fc8b

11212112002187 has 2 divisors, whose sum is σ = 11212112002188. Its totient is φ = 11212112002186.

The previous prime is 11212112002151. The next prime is 11212112002237. The reversal of 11212112002187 is 78120021121211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11212112002187 - 26 = 11212112002123 is a prime.

It is a super-2 number, since 2×112121120021872 (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11212112002787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5606056001093 + 5606056001094.

It is an arithmetic number, because the mean of its divisors is an integer number (5606056001094).

Almost surely, 211212112002187 is an apocalyptic number.

11212112002187 is a deficient number, since it is larger than the sum of its proper divisors (1).

11212112002187 is an equidigital number, since it uses as much as digits as its factorization.

11212112002187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 896, while the sum is 29.

Adding to 11212112002187 its reverse (78120021121211), we get a palindrome (89332133123398).

The spelling of 11212112002187 in words is "eleven trillion, two hundred twelve billion, one hundred twelve million, two thousand, one hundred eighty-seven".