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11101122 = 232616729
BaseRepresentation
bin101010010110…
…001111000010
3202212222212200
4222112033002
510320213442
61033534030
7163233534
oct52261702
922788780
1011101122
1162a248a
123874316
1323b8b16
14168d854
15e9434c
hexa963c2

11101122 has 12 divisors (see below), whose sum is σ = 24052470. Its totient is φ = 3700368.

The previous prime is 11101121. The next prime is 11101133. The reversal of 11101122 is 22110111.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 10751841 + 349281 = 3279^2 + 591^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (11101121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 308347 + ... + 308382.

Almost surely, 211101122 is an apocalyptic number.

11101122 is an abundant number, since it is smaller than the sum of its proper divisors (12951348).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11101122 is a wasteful number, since it uses less digits than its factorization.

11101122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616737 (or 616734 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

The square root of 11101122 is about 3331.8346297498. The cubic root of 11101122 is about 223.0774262436.

Adding to 11101122 its reverse (22110111), we get a palindrome (33211233).

The spelling of 11101122 in words is "eleven million, one hundred one thousand, one hundred twenty-two".

Divisors: 1 2 3 6 9 18 616729 1233458 1850187 3700374 5550561 11101122