Base | Representation |
---|---|
bin | 1100110011111100001… |
… | …1011111001111110010 |
3 | 210001010020021000022020 |
4 | 3030333003133033302 |
5 | 12101231402223442 |
6 | 245040232452310 |
7 | 21621212266032 |
oct | 3147703371762 |
9 | 701106230266 |
10 | 220101211122 |
11 | 85387439681 |
12 | 367a754a096 |
13 | 179a8972940 |
14 | a91d9d18c2 |
15 | 5ad30339ec |
hex | 333f0df3f2 |
220101211122 has 128 divisors (see below), whose sum is σ = 506456955648. Its totient is φ = 63170150400.
The previous prime is 220101211093. The next prime is 220101211123. The reversal of 220101211122 is 221112101022.
It is not an unprimeable number, because it can be changed into a prime (220101211123) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 71903472 + ... + 71906532.
It is an arithmetic number, because the mean of its divisors is an integer number (3956694966).
Almost surely, 2220101211122 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 220101211122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (253228477824).
220101211122 is an abundant number, since it is smaller than the sum of its proper divisors (286355744526).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
220101211122 is a wasteful number, since it uses less digits than its factorization.
220101211122 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3564.
The product of its (nonzero) digits is 32, while the sum is 15.
Adding to 220101211122 its reverse (221112101022), we get a palindrome (441213312144).
The spelling of 220101211122 in words is "two hundred twenty billion, one hundred one million, two hundred eleven thousand, one hundred twenty-two".
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