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11021111120012 = 227393611111429
BaseRepresentation
bin1010000001100000110101…
…1010011101000010001100
31110000121102011221200200012
42200120031122131002030
52421032213421320022
635235010100052352
72215151256556220
oct240301532350214
943017364850605
1011021111120012
11356a0329a8934
12129bb6b9940b8
1361c395073c46
142a15d3252780
15141a3ec55de2
hexa060d69d08c

11021111120012 has 12 divisors (see below), whose sum is σ = 22042222240080. Its totient is φ = 4723333337136.

The previous prime is 11021111120003. The next prime is 11021111120021. The reversal of 11021111120012 is 21002111112011.

It is an interprime number because it is at equal distance from previous prime (11021111120003) and next prime (11021111120021).

11021111120012 is an admirable number.

It is a super-2 number, since 2×110211111200122 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 196805555687 + ... + 196805555742.

It is an arithmetic number, because the mean of its divisors is an integer number (1836851853340).

Almost surely, 211021111120012 is an apocalyptic number.

It is an amenable number.

11021111120012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11021111120012 is a wasteful number, since it uses less digits than its factorization.

11021111120012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393611111440 (or 393611111438 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 11021111120012 its reverse (21002111112011), we get a palindrome (32023222232023).

The spelling of 11021111120012 in words is "eleven trillion, twenty-one billion, one hundred eleven million, one hundred twenty thousand, twelve".

Divisors: 1 2 4 7 14 28 393611111429 787222222858 1574444445716 2755277780003 5510555560006 11021111120012