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212021120113 = 1159794135303
BaseRepresentation
bin1100010101110101110…
…0011000110001110001
3202021021010010212012021
43011131130120301301
511433204401320423
6241222352231441
721214036533265
oct3053534306161
9667233125167
10212021120113
1181a10438710
123511153b581
1316cbb969bba
14a39483a0a5
1557ad9b795d
hex315d718c71

212021120113 has 16 divisors (see below), whose sum is σ = 238193510400. Its totient is φ = 187081062480.

The previous prime is 212021120093. The next prime is 212021120249. The reversal of 212021120113 is 311021120212.

212021120113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-212021120113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212021120813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2016381 + ... + 2118922.

It is an arithmetic number, because the mean of its divisors is an integer number (14887094400).

Almost surely, 2212021120113 is an apocalyptic number.

It is an amenable number.

212021120113 is a deficient number, since it is larger than the sum of its proper divisors (26172390287).

212021120113 is a wasteful number, since it uses less digits than its factorization.

212021120113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4135452.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 212021120113 its reverse (311021120212), we get a palindrome (523042240325).

Subtracting 212021120113 from its reverse (311021120212), we obtain a palindrome (99000000099).

The spelling of 212021120113 in words is "two hundred twelve billion, twenty-one million, one hundred twenty thousand, one hundred thirteen".

Divisors: 1 11 59 79 649 869 4661 51271 4135303 45488333 243982877 326688937 2683811647 3593578307 19274647283 212021120113