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11012101 = 23478787
BaseRepresentation
bin101010000000…
…100000000101
3202201110202121
4222000200011
510304341401
61032005541
7162413152
oct52004005
922643677
1011012101
116241611
1238308b1
132387449
141669229
15e77ca1
hexa80805

11012101 has 4 divisors (see below), whose sum is σ = 11490912. Its totient is φ = 10533292.

The previous prime is 11012093. The next prime is 11012129. The reversal of 11012101 is 10121011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10121011 = 12779693.

It is a cyclic number.

It is not a de Polignac number, because 11012101 - 23 = 11012093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11012401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 239371 + ... + 239416.

It is an arithmetic number, because the mean of its divisors is an integer number (2872728).

Almost surely, 211012101 is an apocalyptic number.

It is an amenable number.

11012101 is a deficient number, since it is larger than the sum of its proper divisors (478811).

11012101 is an equidigital number, since it uses as much as digits as its factorization.

11012101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478810.

The product of its (nonzero) digits is 2, while the sum is 7.

The square root of 11012101 is about 3318.4485832991. The cubic root of 11012101 is about 222.4795318461.

Adding to 11012101 its reverse (10121011), we get a palindrome (21133112).

Multiplying 11012101 by its reverse (10121011), we get a palindrome (111453595354111).

The spelling of 11012101 in words is "eleven million, twelve thousand, one hundred one".

Divisors: 1 23 478787 11012101