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11212101000211 = 18316123484981
BaseRepresentation
bin1010001100101000010101…
…0011000001110000010011
31110200212101121002212101211
42203022011103001300103
52432144340324001321
635502433524040551
72235022213013326
oct243120523016023
943625347085354
1011212101000211
113633030796731
121310b91b33157
136343b17ab887
142aa9508467bd
151469bc1a00e1
hexa32854c1c13

11212101000211 has 4 divisors (see below), whose sum is σ = 11218224487024. Its totient is φ = 11205977513400.

The previous prime is 11212101000197. The next prime is 11212101000239. The reversal of 11212101000211 is 11200010121211.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11212101000211 - 29 = 11212100999699 is a prime.

It is a super-2 number, since 2×112121010002112 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11212101000191 and 11212101000200.

It is not an unprimeable number, because it can be changed into a prime (11212101000271) 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 in 3 ways as a sum of consecutive naturals, for example, 3061740660 + ... + 3061744321.

It is an arithmetic number, because the mean of its divisors is an integer number (2804556121756).

Almost surely, 211212101000211 is an apocalyptic number.

11212101000211 is a deficient number, since it is larger than the sum of its proper divisors (6123486813).

11212101000211 is an equidigital number, since it uses as much as digits as its factorization.

11212101000211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6123486812.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 11212101000211 its reverse (11200010121211), we get a palindrome (22412111121422).

The spelling of 11212101000211 in words is "eleven trillion, two hundred twelve billion, one hundred one million, two hundred eleven", and thus it is an aban number.

Divisors: 1 1831 6123484981 11212101000211