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11020101112001 = 89123821360809
BaseRepresentation
bin1010000001011101000100…
…1101100101000011000001
31110000111210210102222011002
42200113101031211003001
52421023131341041001
635234321540101345
72215114243623362
oct240272115450301
943014723388132
1011020101112001
113569664869973
12129b929694855
1361c263a41677
142a153905bb69
151419d124946b
hexa05d13650c1

11020101112001 has 4 divisors (see below), whose sum is σ = 11143922472900. Its totient is φ = 10896279751104.

The previous prime is 11020101111989. The next prime is 11020101112037. The reversal of 11020101112001 is 10021110102011.

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 3833278431376 + 7186822680625 = 1957876^2 + 2680825^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-11020101112001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11020101112301) 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 3 ways as a sum of consecutive naturals, for example, 61910680316 + ... + 61910680493.

It is an arithmetic number, because the mean of its divisors is an integer number (2785980618225).

Almost surely, 211020101112001 is an apocalyptic number.

It is an amenable number.

11020101112001 is a deficient number, since it is larger than the sum of its proper divisors (123821360899).

11020101112001 is an equidigital number, since it uses as much as digits as its factorization.

11020101112001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123821360898.

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

Adding to 11020101112001 its reverse (10021110102011), we get a palindrome (21041211214012).

The spelling of 11020101112001 in words is "eleven trillion, twenty billion, one hundred one million, one hundred twelve thousand, one".

Divisors: 1 89 123821360809 11020101112001