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BaseRepresentation
bin101010000010…
…011011100001
3202201212121012
4222002123201
510310120001
61032110305
7162445166
oct52023341
922655535
1011020001
116247543
123835395
13238ac15
14166c06d
15e7a2bb
hexa826e1

11020001 has 2 divisors, whose sum is σ = 11020002. Its totient is φ = 11020000.

The previous prime is 11019989. The next prime is 11020003. The reversal of 11020001 is 10002011.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7974976 + 3045025 = 2824^2 + 1745^2 .

It is a cyclic number.

It is not a de Polignac number, because 11020001 - 26 = 11019937 is a prime.

Together with 11020003, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11020003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5510000 + 5510001.

It is an arithmetic number, because the mean of its divisors is an integer number (5510001).

Almost surely, 211020001 is an apocalyptic number.

It is an amenable number.

11020001 is a deficient number, since it is larger than the sum of its proper divisors (1).

11020001 is an equidigital number, since it uses as much as digits as its factorization.

11020001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2, while the sum is 5.

The square root of 11020001 is about 3319.6386851584. The cubic root of 11020001 is about 222.5327208538.

Adding to 11020001 its reverse (10002011), we get a palindrome (21022012).

Multiplying 11020001 by its reverse (10002011), we get a palindrome (110222171222011).

The spelling of 11020001 in words is "eleven million, twenty thousand, one".