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211121101102012 = 22431227448262221
BaseRepresentation
bin110000000000001101110110…
…001111000101101110111100
31000200111222110112101010101021
4300000031312033011232330
5210133002003340231022
62025003410033553524
762316665461056403
oct6000156617055674
91020458415333337
10211121101102012
11612a6a57724642
121b8188257158a4
1390a5832a4573a
143a1c45c84a63a
151961b272017c7
hexc003763c5bbc

211121101102012 has 12 divisors (see below), whose sum is σ = 378054064764376. Its totient is φ = 103105654026480.

The previous prime is 211121101102007. The next prime is 211121101102019. The reversal of 211121101102012 is 210201101121112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211121101102019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 613724130939 + ... + 613724131282.

Almost surely, 2211121101102012 is an apocalyptic number.

It is an amenable number.

211121101102012 is a deficient number, since it is larger than the sum of its proper divisors (166932963662364).

211121101102012 is a wasteful number, since it uses less digits than its factorization.

211121101102012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1227448262268 (or 1227448262266 counting only the distinct ones).

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

Adding to 211121101102012 its reverse (210201101121112), we get a palindrome (421322202223124).

The spelling of 211121101102012 in words is "two hundred eleven trillion, one hundred twenty-one billion, one hundred one million, one hundred two thousand, twelve".

Divisors: 1 2 4 43 86 172 1227448262221 2454896524442 4909793048884 52780275275503 105560550551006 211121101102012