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211211202201 = 36710391011359
BaseRepresentation
bin1100010010110100101…
…0110010111010011001
3202012011200010202200120
43010231022302322121
511430030031432301
6241010141023453
721155003411466
oct3045512627231
9665150122616
10211211202201
118163524336a
1234b26254b89
1316bbcc2392c
14a31904c66d
155762831e36
hex312d2b2e99

211211202201 has 16 divisors (see below), whose sum is σ = 286093516800. Its totient is φ = 138572227728.

The previous prime is 211211202161. The next prime is 211211202211. The reversal of 211211202201 is 102202112112.

211211202201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 211211202201 - 210 = 211211201177 is a prime.

It is a super-2 number, since 2×2112112022012 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (211211202211) 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, 296841 + ... + 714518.

It is an arithmetic number, because the mean of its divisors is an integer number (17880844800).

Almost surely, 2211211202201 is an apocalyptic number.

It is an amenable number.

211211202201 is a deficient number, since it is larger than the sum of its proper divisors (74882314599).

211211202201 is a wasteful number, since it uses less digits than its factorization.

211211202201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1012468.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 211211202201 its reverse (102202112112), we get a palindrome (313413314313).

The spelling of 211211202201 in words is "two hundred eleven billion, two hundred eleven million, two hundred two thousand, two hundred one".

Divisors: 1 3 67 201 1039 3117 69613 208839 1011359 3034077 67761053 203283159 1050802001 3152406003 70403734067 211211202201