Base | Representation |
---|---|
bin | 111000011001001000… |
… | …0010100001010110001 |
3 | 102120120211012021211112 |
4 | 1300302100110022301 |
5 | 3441004132101001 |
6 | 131344504523105 |
7 | 11515011621425 |
oct | 1606220241261 |
9 | 376524167745 |
10 | 121102222001 |
11 | 473a50578a2 |
12 | 1b578a80495 |
13 | b55c665537 |
14 | 5c0b8a2b85 |
15 | 323bb29cbb |
hex | 1c324142b1 |
121102222001 has 8 divisors (see below), whose sum is σ = 123849379200. Its totient is φ = 118385420400.
The previous prime is 121102221997. The next prime is 121102222013. The reversal of 121102222001 is 100222201121.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 121102222001 - 22 = 121102221997 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (121102222051) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7580831 + ... + 7596788.
It is an arithmetic number, because the mean of its divisors is an integer number (15481172400).
Almost surely, 2121102222001 is an apocalyptic number.
It is an amenable number.
121102222001 is a deficient number, since it is larger than the sum of its proper divisors (2747157199).
121102222001 is a wasteful number, since it uses less digits than its factorization.
121102222001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15177799.
The product of its (nonzero) digits is 32, while the sum is 14.
Adding to 121102222001 its reverse (100222201121), we get a palindrome (221324423122).
The spelling of 121102222001 in words is "one hundred twenty-one billion, one hundred two million, two hundred twenty-two thousand, one".
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