Base | Representation |
---|---|
bin | 11011100010011010010101… |
… | …110011000011001100010011 |
3 | 120212211012020120211210001111 |
4 | 123202122111303003030103 |
5 | 111333244334224001321 |
6 | 1105330030221314151 |
7 | 34340024200552414 |
oct | 3342322563031423 |
9 | 525735216753044 |
10 | 121112001000211 |
11 | 356543471aa2a1 |
12 | 11700398105957 |
13 | 5276a74629ab0 |
14 | 21c9bd033580b |
15 | e006039c35e1 |
hex | 6e2695cc3313 |
121112001000211 has 16 divisors (see below), whose sum is σ = 135059031394560. Its totient is φ = 107834113537920.
The previous prime is 121112001000209. The next prime is 121112001000251. The reversal of 121112001000211 is 112000100211121.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 121112001000211 - 21 = 121112001000209 is a prime.
It is a super-2 number, since 2×1211120010002112 (a number of 29 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (13).
It is a junction number, because it is equal to n+sod(n) for n = 121112001000191 and 121112001000200.
It is not an unprimeable number, because it can be changed into a prime (121112001000251) 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 15 ways as a sum of consecutive naturals, for example, 158182755 + ... + 158946556.
It is an arithmetic number, because the mean of its divisors is an integer number (8441189462160).
Almost surely, 2121112001000211 is an apocalyptic number.
121112001000211 is a deficient number, since it is larger than the sum of its proper divisors (13947030394349).
121112001000211 is a wasteful number, since it uses less digits than its factorization.
121112001000211 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 317130366.
The product of its (nonzero) digits is 8, while the sum is 13.
Adding to 121112001000211 its reverse (112000100211121), we get a palindrome (233112101211332).
The spelling of 121112001000211 in words is "one hundred twenty-one trillion, one hundred twelve billion, one million, two hundred eleven", and thus it is an aban number.
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