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11222100000121 = 61877920955559
BaseRepresentation
bin1010001101001101100101…
…0010001011110101111001
31110201211012102222200122211
42203103121102023311321
52432330330100000441
635511210033215121
72235525046061503
oct243233122136571
943654172880584
1011222100000121
1136372a198831a
121312b027014a1
13635316208a7a
142ab21c7c8d73
15146da4e11a81
hexa34d948bd79

11222100000121 has 8 divisors (see below), whose sum is σ = 11407368641600. Its totient is φ = 11036873287440.

The previous prime is 11222100000101. The next prime is 11222100000127. The reversal of 11222100000121 is 12100000122211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-11222100000121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11222100000127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9942261 + ... + 11013298.

It is an arithmetic number, because the mean of its divisors is an integer number (1425921080200).

Almost surely, 211222100000121 is an apocalyptic number.

It is an amenable number.

11222100000121 is a deficient number, since it is larger than the sum of its proper divisors (185268641479).

11222100000121 is an equidigital number, since it uses as much as digits as its factorization.

11222100000121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20964399.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 11222100000121 its reverse (12100000122211), we get a palindrome (23322100122332).

The spelling of 11222100000121 in words is "eleven trillion, two hundred twenty-two billion, one hundred million, one hundred twenty-one", and thus it is an aban number.

Divisors: 1 61 8779 535519 20955559 1278289099 183968852461 11222100000121