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11113021 is a prime number
BaseRepresentation
bin101010011001…
…001000111101
3202220121012101
4222121020331
510321104041
61034105101
7163313323
oct52311075
922817171
1011113021
116300417
12387b191
1323c136a
141693d13
15e97b31
hexa9923d

11113021 has 2 divisors, whose sum is σ = 11113022. Its totient is φ = 11113020.

The previous prime is 11113007. The next prime is 11113027. The reversal of 11113021 is 12031111.

11113021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10329796 + 783225 = 3214^2 + 885^2 .

It is an emirp because it is prime and its reverse (12031111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11113021 - 25 = 11112989 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 11112989 and 11113007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11113027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5556510 + 5556511.

It is an arithmetic number, because the mean of its divisors is an integer number (5556511).

Almost surely, 211113021 is an apocalyptic number.

It is an amenable number.

11113021 is a deficient number, since it is larger than the sum of its proper divisors (1).

11113021 is an equidigital number, since it uses as much as digits as its factorization.

11113021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6, while the sum is 10.

The square root of 11113021 is about 3333.6198043568. The cubic root of 11113021 is about 223.1571013871.

Adding to 11113021 its reverse (12031111), we get a palindrome (23144132).

The spelling of 11113021 in words is "eleven million, one hundred thirteen thousand, twenty-one".