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11010111021001 = 17363642260237
BaseRepresentation
bin1010000000110111110111…
…0000011001111111001001
31102222120000120022202121201
42200031331300121333021
52420342201410133001
635225550345504201
72214311546351551
oct240157560317711
942876016282551
1011010111021001
1135653a8702714
1212999bbaa2061
1361b331113511
142a0c6c358161
151415e9197501
hexa037dc19fc9

11010111021001 has 4 divisors (see below), whose sum is σ = 11073753281412. Its totient is φ = 10946468760592.

The previous prime is 11010111020983. The next prime is 11010111021067. The reversal of 11010111021001 is 10012011101011.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7286889931776 + 3723221089225 = 2699424^2 + 1929565^2 .

It is a cyclic number.

It is not a de Polignac number, because 11010111021001 - 243 = 2214017998793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11010111027001) 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 3 ways as a sum of consecutive naturals, for example, 31821129946 + ... + 31821130291.

It is an arithmetic number, because the mean of its divisors is an integer number (2768438320353).

Almost surely, 211010111021001 is an apocalyptic number.

It is an amenable number.

11010111021001 is a deficient number, since it is larger than the sum of its proper divisors (63642260411).

11010111021001 is an equidigital number, since it uses as much as digits as its factorization.

11010111021001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63642260410.

The product of its (nonzero) digits is 2, while the sum is 10.

Adding to 11010111021001 its reverse (10012011101011), we get a palindrome (21022122122012).

The spelling of 11010111021001 in words is "eleven trillion, ten billion, one hundred eleven million, twenty-one thousand, one".

Divisors: 1 173 63642260237 11010111021001