Base | Representation |
---|---|
bin | 11101010010000001001… |
… | …000010000111110110101 |
3 | 21010100212110020010101121 |
4 | 131102001020100332311 |
5 | 230432002021401401 |
6 | 4140221431423541 |
7 | 265243316221105 |
oct | 35220110207665 |
9 | 7110773203347 |
10 | 2012211122101 |
11 | 7064127a1634 |
12 | 285b91524bb1 |
13 | 11799b3786cb |
14 | 6d56a547205 |
15 | 37520052ca1 |
hex | 1d481210fb5 |
2012211122101 has 4 divisors (see below), whose sum is σ = 2012312886892. Its totient is φ = 2012109357312.
The previous prime is 2012211122071. The next prime is 2012211122287. The reversal of 2012211122101 is 1012211122102.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 1629130587876 + 383080534225 = 1276374^2 + 618935^2 .
It is a cyclic number.
It is not a de Polignac number, because 2012211122101 - 229 = 2011674251189 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2012211125101) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50852730 + ... + 50892283.
It is an arithmetic number, because the mean of its divisors is an integer number (503078221723).
Almost surely, 22012211122101 is an apocalyptic number.
It is an amenable number.
2012211122101 is a deficient number, since it is larger than the sum of its proper divisors (101764791).
2012211122101 is a wasteful number, since it uses less digits than its factorization.
2012211122101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 101764790.
The product of its (nonzero) digits is 32, while the sum is 16.
Adding to 2012211122101 its reverse (1012211122102), we get a palindrome (3024422244203).
Subtracting from 2012211122101 its reverse (1012211122102), we obtain a palindrome (999999999999).
It can be divided in two parts, 2012211 and 122101, that added together give a palindrome (2134312).
The spelling of 2012211122101 in words is "two trillion, twelve billion, two hundred eleven million, one hundred twenty-two thousand, one hundred one".
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