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11221200102001 = 43260958141907
BaseRepresentation
bin1010001101001010001110…
…1001010110001001110001
31110201201212201200010111211
42203102203221112021301
52432322004211231001
635510540445240121
72235463541056021
oct243224351261161
943651781603454
1011221200102001
11363697aa1556a
1213128b1263041
13635201949886
142ab175097a81
15146d50e05351
hexa34a3a56271

11221200102001 has 4 divisors (see below), whose sum is σ = 11482158243952. Its totient is φ = 10960241960052.

The previous prime is 11221200101963. The next prime is 11221200102011. The reversal of 11221200102001 is 10020100212211.

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 not a de Polignac number, because 11221200102001 - 219 = 11221199577713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11221200102011) 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, 130479070911 + ... + 130479070996.

It is an arithmetic number, because the mean of its divisors is an integer number (2870539560988).

Almost surely, 211221200102001 is an apocalyptic number.

It is an amenable number.

11221200102001 is a deficient number, since it is larger than the sum of its proper divisors (260958141951).

11221200102001 is an equidigital number, since it uses as much as digits as its factorization.

11221200102001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260958141950.

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

Adding to 11221200102001 its reverse (10020100212211), we get a palindrome (21241300314212).

The spelling of 11221200102001 in words is "eleven trillion, two hundred twenty-one billion, two hundred million, one hundred two thousand, one".

Divisors: 1 43 260958141907 11221200102001