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121120002011 = 8910916376597
BaseRepresentation
bin111000011001101010…
…0001000111111011011
3102120122001122121102102
41300303110020333123
53441023210031021
6131350341554015
711515316013251
oct1606324107733
9376561577372
10121120002011
11474040a1218
121b582a1590b
13b56324c358
145c0ddb05d1
15323d48d00b
hex1c33508fdb

121120002011 has 16 divisors (see below), whose sum is σ = 124364512800. Its totient is φ = 117930878208.

The previous prime is 121120001971. The next prime is 121120002037. The reversal of 121120002011 is 110200021121.

It is a cyclic number.

It is not a de Polignac number, because 121120002011 - 234 = 103940132827 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121120001983 and 121120002001.

It is not an unprimeable number, because it can be changed into a prime (121120002061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1542965 + ... + 1619561.

It is an arithmetic number, because the mean of its divisors is an integer number (7772782050).

Almost surely, 2121120002011 is an apocalyptic number.

121120002011 is a deficient number, since it is larger than the sum of its proper divisors (3244510789).

121120002011 is a wasteful number, since it uses less digits than its factorization.

121120002011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76958.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 121120002011 its reverse (110200021121), we get a palindrome (231320023132).

The spelling of 121120002011 in words is "one hundred twenty-one billion, one hundred twenty million, two thousand, eleven".

Divisors: 1 89 109 163 9701 14507 17767 76597 1581263 6817133 8349073 12485311 743067497 1111192679 1360898899 121120002011