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201122411401 = 968920757809
BaseRepresentation
bin1011101101001111010…
…1000111001110001001
3201020010120022002111001
42323103311013032021
511243344314131101
6232221103135001
720350000201312
oct2732365071611
9636116262431
10201122411401
11783283a352a
1232b8b5a4461
1315c72a18a32
149a3d1b5609
155371c85901
hex2ed3d47389

201122411401 has 4 divisors (see below), whose sum is σ = 201143178900. Its totient is φ = 201101643904.

The previous prime is 201122411393. The next prime is 201122411453. The reversal of 201122411401 is 104114221102.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 104114221102 = 252057110551.

It can be written as a sum of positive squares in 2 ways, for example, as 159122007801 + 42000403600 = 398901^2 + 204940^2 .

It is a cyclic number.

It is not a de Polignac number, because 201122411401 - 23 = 201122411393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201122411701) 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, 10369216 + ... + 10388593.

It is an arithmetic number, because the mean of its divisors is an integer number (50285794725).

Almost surely, 2201122411401 is an apocalyptic number.

It is an amenable number.

201122411401 is a deficient number, since it is larger than the sum of its proper divisors (20767499).

201122411401 is an equidigital number, since it uses as much as digits as its factorization.

201122411401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20767498.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 201122411401 its reverse (104114221102), we get a palindrome (305236632503).

The spelling of 201122411401 in words is "two hundred one billion, one hundred twenty-two million, four hundred eleven thousand, four hundred one".

Divisors: 1 9689 20757809 201122411401