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11200211021 = 71971626283
BaseRepresentation
bin10100110111001010…
…11010100001001101
31001220120011200010102
422123211122201031
5140414223223041
65051215220445
7544360136306
oct123345324115
931816150112
1011200211021
11482825534a
122206b17725
1310965569cc
147837097ad
1545843b09b
hex29b95a84d

11200211021 has 8 divisors (see below), whose sum is σ = 11475059904. Its totient is φ = 10928615040.

The previous prime is 11200210919. The next prime is 11200211023. The reversal of 11200211021 is 12011200211.

11200211021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 11200211021 - 222 = 11196016717 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11200210993 and 11200211011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11200211023) 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 7 ways as a sum of consecutive naturals, for example, 806255 + ... + 820028.

It is an arithmetic number, because the mean of its divisors is an integer number (1434382488).

Almost surely, 211200211021 is an apocalyptic number.

It is an amenable number.

11200211021 is a deficient number, since it is larger than the sum of its proper divisors (274848883).

11200211021 is an equidigital number, since it uses as much as digits as its factorization.

11200211021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1626451.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 11200211021 its reverse (12011200211), we get a palindrome (23211411232).

The spelling of 11200211021 in words is "eleven billion, two hundred million, two hundred eleven thousand, twenty-one".

Divisors: 1 71 97 6887 1626283 115466093 157749451 11200211021