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11202122100121 = 75781114782211
BaseRepresentation
bin1010001100000011001010…
…0000100010110110011001
31110122220122011001012220121
42203000302200202312121
52432013421224200441
635454103413353241
72234220012531211
oct243006240426631
943586564035817
1011202122100121
11362987a983367
12130b068038821
1363348129b374
142aa285417241
151465d60addd1
hexa3032822d99

11202122100121 has 4 divisors (see below), whose sum is σ = 11202137640144. Its totient is φ = 11202106560100.

The previous prime is 11202122100079. The next prime is 11202122100131. The reversal of 11202122100121 is 12100122120211.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-11202122100121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11202122100095 and 11202122100104.

It is not an unprimeable number, because it can be changed into a prime (11202122100131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6633295 + ... + 8148916.

It is an arithmetic number, because the mean of its divisors is an integer number (2800534410036).

Almost surely, 211202122100121 is an apocalyptic number.

It is an amenable number.

11202122100121 is a deficient number, since it is larger than the sum of its proper divisors (15540023).

11202122100121 is an equidigital number, since it uses as much as digits as its factorization.

11202122100121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15540022.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 11202122100121 its reverse (12100122120211), we get a palindrome (23302244220332).

The spelling of 11202122100121 in words is "eleven trillion, two hundred two billion, one hundred twenty-two million, one hundred thousand, one hundred twenty-one".

Divisors: 1 757811 14782211 11202122100121