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11102201 = 111009291
BaseRepresentation
bin101010010110…
…011111111001
3202220001100122
4222112133321
510320232301
61033543025
7163236635
oct52263771
922801318
1011102201
1162a3280
123874a75
1323b9466
14168ddc5
15e9481b
hexa967f9

11102201 has 4 divisors (see below), whose sum is σ = 12111504. Its totient is φ = 10092900.

The previous prime is 11102197. The next prime is 11102219. The reversal of 11102201 is 10220111.

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.

It is a cyclic number.

It is not a de Polignac number, because 11102201 - 22 = 11102197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11102401) 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, 504635 + ... + 504656.

It is an arithmetic number, because the mean of its divisors is an integer number (3027876).

Almost surely, 211102201 is an apocalyptic number.

11102201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11102201 is a deficient number, since it is larger than the sum of its proper divisors (1009303).

11102201 is a wasteful number, since it uses less digits than its factorization.

11102201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1009302.

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 11102201 is about 3331.9965486177. The cubic root of 11102201 is about 223.0846535234.

Adding to 11102201 its reverse (10220111), we get a palindrome (21322312).

It can be divided in two parts, 11 and 102201, that multiplied together give a palindrome (1124211).

The spelling of 11102201 in words is "eleven million, one hundred two thousand, two hundred one".

Divisors: 1 11 1009291 11102201