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11100101 is a prime number
BaseRepresentation
bin101010010101…
…111111000101
3202212221110212
4222111333011
510320200401
61033525205
7163230545
oct52257705
922787425
1011100101
1162a1741
123873805
1323b850c
14168d325
15e93dbb
hexa95fc5

11100101 has 2 divisors, whose sum is σ = 11100102. Its totient is φ = 11100100.

The previous prime is 11100097. The next prime is 11100113. The reversal of 11100101 is 10100111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10336225 + 763876 = 3215^2 + 874^2 .

It is a cyclic number.

It is not a de Polignac number, because 11100101 - 22 = 11100097 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11100121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5550050 + 5550051.

It is an arithmetic number, because the mean of its divisors is an integer number (5550051).

Almost surely, 211100101 is an apocalyptic number.

It is an amenable number.

11100101 is a deficient number, since it is larger than the sum of its proper divisors (1).

11100101 is an equidigital number, since it uses as much as digits as its factorization.

11100101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1, while the sum is 5.

The square root of 11100101 is about 3331.6814073377. The cubic root of 11100101 is about 223.0705870239.

Adding to 11100101 its reverse (10100111), we get a palindrome (21200212).

Multiplying 11100101 by its reverse (10100111), we get a palindrome (112112252211211).

The spelling of 11100101 in words is "eleven million, one hundred thousand, one hundred one".