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211102101001001 = 755997538554619
BaseRepresentation
bin101111111111111100001001…
…101111011101001100101001
31000200110011102101022222200102
4233333330021233131030221
5210132144100324013001
62024550544423515145
762315423566633040
oct5777741157351451
91020404371288612
10211102101001001
116129999765a521
121b8150025b8ab5
1390a3ac5571012
143a1b579287557
1519613b4146e6b
hexbfff09bdd329

211102101001001 has 8 divisors (see below), whose sum is σ = 241263852886080. Its totient is φ = 180941426337168.

The previous prime is 211102101000983. The next prime is 211102101001069. The reversal of 211102101001001 is 100100101201112.

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

It is not a de Polignac number, because 211102101001001 - 222 = 211102096806697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211102101001081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 268885331 + ... + 269669288.

It is an arithmetic number, because the mean of its divisors is an integer number (30157981610760).

Almost surely, 2211102101001001 is an apocalyptic number.

It is an amenable number.

211102101001001 is a deficient number, since it is larger than the sum of its proper divisors (30161751885079).

211102101001001 is an equidigital number, since it uses as much as digits as its factorization.

211102101001001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538610623.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 211102101001001 its reverse (100100101201112), we get a palindrome (311202202202113).

The spelling of 211102101001001 in words is "two hundred eleven trillion, one hundred two billion, one hundred one million, one thousand, one".

Divisors: 1 7 55997 391979 538554619 3769882333 30157443000143 211102101001001