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11212321130 = 2510973102181
BaseRepresentation
bin10100111000100111…
…00111000101101010
31001221101221221001222
422130103213011222
5140430323234010
65052330542042
7544565104613
oct123423470552
931841857058
1011212321130
1148340768aa
12220ab97922
131098c06b5a
1478517cc0a
1545952e355
hex29c4e716a

11212321130 has 16 divisors (see below), whose sum is σ = 20184214824. Its totient is φ = 4484475840.

The previous prime is 11212321091. The next prime is 11212321147. The reversal of 11212321130 is 3112321211.

11212321130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 5935315681 + 5277005449 = 77041^2 + 72643^2 .

It is a super-2 number, since 2×112123211302 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11212321099 and 11212321108.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 58640 + ... + 160820.

Almost surely, 211212321130 is an apocalyptic number.

11212321130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11212321130 is a deficient number, since it is larger than the sum of its proper divisors (8971893694).

11212321130 is a wasteful number, since it uses less digits than its factorization.

11212321130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113161.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 11212321130 its reverse (3112321211), we get a palindrome (14324642341).

The spelling of 11212321130 in words is "eleven billion, two hundred twelve million, three hundred twenty-one thousand, one hundred thirty".

Divisors: 1 2 5 10 10973 21946 54865 102181 109730 204362 510905 1021810 1121232113 2242464226 5606160565 11212321130