Base | Representation |
---|---|
bin | 10100100101010100… |
… | …101010101100000001 |
3 | 2010001020221200210102 |
4 | 110211110222230001 |
5 | 330230324324301 |
6 | 14053021212145 |
7 | 1411453331663 |
oct | 244524525401 |
9 | 63036850712 |
10 | 22101011201 |
11 | 9411498915 |
12 | 4349701055 |
13 | 2112a5ab29 |
14 | 10d9356533 |
15 | 895432b6b |
hex | 52552ab01 |
22101011201 has 4 divisors (see below), whose sum is σ = 22107309504. Its totient is φ = 22094712900.
The previous prime is 22101011197. The next prime is 22101011203. The reversal of 22101011201 is 10211010122.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10211010122 = 2 ⋅5105505061.
It is a cyclic number.
It is not a de Polignac number, because 22101011201 - 22 = 22101011197 is a prime.
It is a super-2 number, since 2×221010112012 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (22101011203) 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, 3143885 + ... + 3150906.
It is an arithmetic number, because the mean of its divisors is an integer number (5526827376).
Almost surely, 222101011201 is an apocalyptic number.
It is an amenable number.
22101011201 is a deficient number, since it is larger than the sum of its proper divisors (6298303).
22101011201 is an equidigital number, since it uses as much as digits as its factorization.
22101011201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6298302.
The product of its (nonzero) digits is 8, while the sum is 11.
Adding to 22101011201 its reverse (10211010122), we get a palindrome (32312021323).
The spelling of 22101011201 in words is "twenty-two billion, one hundred one million, eleven thousand, two hundred one".
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