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11211011012001 = 328198913252303
BaseRepresentation
bin1010001100100100010001…
…0101000011010110100001
31110200202120122002201200010
42203021010111003112201
52432140122304341001
635502133425515133
72234653206166203
oct243110425032641
943622518081603
1011211011012001
11363262149a429
121310928aa2aa9
13634269a24c38
142aa889b92773
151469566458d6
hexa32445435a1

11211011012001 has 8 divisors (see below), whose sum is σ = 14948068819840. Its totient is φ = 7473980272752.

The previous prime is 11211011011987. The next prime is 11211011012029. The reversal of 11211011012001 is 10021011011211.

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

It is not a de Polignac number, because 11211011012001 - 25 = 11211011011969 is a prime.

It is a super-2 number, since 2×112110110120012 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11211011012501) 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, 5780185 + ... + 7472118.

It is an arithmetic number, because the mean of its divisors is an integer number (1868508602480).

Almost surely, 211211011012001 is an apocalyptic number.

It is an amenable number.

11211011012001 is a deficient number, since it is larger than the sum of its proper divisors (3737057807839).

11211011012001 is a wasteful number, since it uses less digits than its factorization.

11211011012001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13534295.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 11211011012001 its reverse (10021011011211), we get a palindrome (21232022023212).

The spelling of 11211011012001 in words is "eleven trillion, two hundred eleven billion, eleven million, twelve thousand, one".

Divisors: 1 3 281989 845967 13252303 39756909 3737003670667 11211011012001