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11202221112 = 233909151343
BaseRepresentation
bin10100110111011010…
…00101010000111000
31001220200221210110020
422123231011100320
5140420232033422
65051330250440
7544413210525
oct123355052070
931820853406
1011202221112
1148293a8585
122207726a20
131096aab904
14783ab014c
154586d695c
hex29bb45438

11202221112 has 32 divisors (see below), whose sum is σ = 28009178880. Its totient is φ = 3733590240.

The previous prime is 11202221083. The next prime is 11202221119. The reversal of 11202221112 is 21112220211.

It is a junction number, because it is equal to n+sod(n) for n = 11202221091 and 11202221100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11202221119) 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, 192513 + ... + 243855.

It is an arithmetic number, because the mean of its divisors is an integer number (875286840).

Almost surely, 211202221112 is an apocalyptic number.

11202221112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11202221112 is an abundant number, since it is smaller than the sum of its proper divisors (16806957768).

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

11202221112 is a wasteful number, since it uses less digits than its factorization.

11202221112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60443 (or 60439 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 11202221112 its reverse (21112220211), we get a palindrome (32314441323).

Subtracting 11202221112 from its reverse (21112220211), we obtain a palindrome (9909999099).

The spelling of 11202221112 in words is "eleven billion, two hundred two million, two hundred twenty-one thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 12 24 9091 18182 27273 36364 51343 54546 72728 102686 109092 154029 205372 218184 308058 410744 616116 1232232 466759213 933518426 1400277639 1867036852 2800555278 3734073704 5601110556 11202221112