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11111112211002 = 238446321925009
BaseRepresentation
bin1010000110110000000111…
…1001010111101000111010
31110100012201111212211100120
42201230001321113220322
52424021024211223002
635344212515514110
72224515501325416
oct241540171275072
943305644784316
1011111112211002
1135a42181a4671
1212b54a8bb8936
13627a0918897b
142a5ad0355d46
1514405b24acbc
hexa1b01e57a3a

11111112211002 has 16 divisors (see below), whose sum is σ = 22222488535680. Its totient is φ = 3703660051392.

The previous prime is 11111112210949. The next prime is 11111112211009. The reversal of 11111112211002 is 20011221111111.

It is not an unprimeable number, because it can be changed into a prime (11111112211009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10455727 + ... + 11469282.

It is an arithmetic number, because the mean of its divisors is an integer number (1388905533480).

Almost surely, 211111112211002 is an apocalyptic number.

11111112211002 is an abundant number, since it is smaller than the sum of its proper divisors (11111376324678).

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

11111112211002 is a wasteful number, since it uses less digits than its factorization.

11111112211002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22009477.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 11111112211002 its reverse (20011221111111), we get a palindrome (31122333322113).

The spelling of 11111112211002 in words is "eleven trillion, one hundred eleven billion, one hundred twelve million, two hundred eleven thousand, two".

Divisors: 1 2 3 6 84463 168926 253389 506778 21925009 43850018 65775027 131550054 1851852035167 3703704070334 5555556105501 11111112211002