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211002121112 = 23101261141239
BaseRepresentation
bin1100010010000010110…
…1001101101110011000
3202011122002201100100112
43010200231031232120
511424113020333422
6240533311423452
721146554302566
oct3044055155630
9664562640315
10211002121112
1181538218682
1234a88224b88
1316b8880a103
14a2d9384a36
15574e2d1ee2
hex3120b4db98

211002121112 has 16 divisors (see below), whose sum is σ = 399546097200. Its totient is φ = 104456495200.

The previous prime is 211002121093. The next prime is 211002121117. The reversal of 211002121112 is 211121200112.

It is a super-2 number, since 2×2110021211122 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211002121117) 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, 130569812 + ... + 130571427.

It is an arithmetic number, because the mean of its divisors is an integer number (24971631075).

Almost surely, 2211002121112 is an apocalyptic number.

It is an amenable number.

211002121112 is a deficient number, since it is larger than the sum of its proper divisors (188543976088).

211002121112 is a wasteful number, since it uses less digits than its factorization.

211002121112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261141346 (or 261141342 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 211002121112 its reverse (211121200112), we get a palindrome (422123321224).

The spelling of 211002121112 in words is "two hundred eleven billion, two million, one hundred twenty-one thousand, one hundred twelve".

Divisors: 1 2 4 8 101 202 404 808 261141239 522282478 1044564956 2089129912 26375265139 52750530278 105501060556 211002121112