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100211001101 = 254939313849
BaseRepresentation
bin101110101010100001…
…0101000011100001101
3100120122212200022100022
41131111002220130031
53120213004013401
6114011501311525
710145215312031
oct1352502503415
9316585608308
10100211001101
1139554552382
12175085655a5
1395b0449173
144bc90a81c1
152917a1871b
hex17550a870d

100211001101 has 4 divisors (see below), whose sum is σ = 100250317500. Its totient is φ = 100171684704.

The previous prime is 100211001089. The next prime is 100211001113. The reversal of 100211001101 is 101100112001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 101100112001 = 714442873143.

It is an interprime number because it is at equal distance from previous prime (100211001089) and next prime (100211001113).

It can be written as a sum of positive squares in 2 ways, for example, as 81068895076 + 19142106025 = 284726^2 + 138355^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-100211001101 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100211001131) 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, 19654376 + ... + 19659473.

It is an arithmetic number, because the mean of its divisors is an integer number (25062579375).

Almost surely, 2100211001101 is an apocalyptic number.

It is an amenable number.

100211001101 is a deficient number, since it is larger than the sum of its proper divisors (39316399).

100211001101 is an equidigital number, since it uses as much as digits as its factorization.

100211001101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39316398.

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 100211001101 its reverse (101100112001), we get a palindrome (201311113102).

The spelling of 100211001101 in words is "one hundred billion, two hundred eleven million, one thousand, one hundred one".

Divisors: 1 2549 39313849 100211001101