Base | Representation |
---|---|
bin | 10000010011001011001… |
… | …110101001100110011101 |
3 | 10222002011202212001212120 |
4 | 100103023032221212131 |
5 | 121322431341042341 |
6 | 2214322314053153 |
7 | 143632102235160 |
oct | 20231316514635 |
9 | 3862152761776 |
10 | 1120101112221 |
11 | 3a2039971133 |
12 | 1610bb71a1b9 |
13 | 818183c5a10 |
14 | 3c2dad8dad7 |
15 | 1e20a541066 |
hex | 104cb3a999d |
1120101112221 has 128 divisors (see below), whose sum is σ = 1905435033600. Its totient is φ = 569504037888.
The previous prime is 1120101112183. The next prime is 1120101112231. The reversal of 1120101112221 is 1222111010211.
It is a happy number.
It is not a de Polignac number, because 1120101112221 - 227 = 1119966894493 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 1120101112221.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1120101112231) by changing a digit.
It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 787139916 + ... + 787141338.
It is an arithmetic number, because the mean of its divisors is an integer number (14886211200).
Almost surely, 21120101112221 is an apocalyptic number.
It is an amenable number.
1120101112221 is a deficient number, since it is larger than the sum of its proper divisors (785333921379).
1120101112221 is a wasteful number, since it uses less digits than its factorization.
1120101112221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2155.
The product of its (nonzero) digits is 16, while the sum is 15.
Adding to 1120101112221 its reverse (1222111010211), we get a palindrome (2342212122432).
The spelling of 1120101112221 in words is "one trillion, one hundred twenty billion, one hundred one million, one hundred twelve thousand, two hundred twenty-one".
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