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1102211212 = 221512278039
BaseRepresentation
bin100000110110010…
…0110100010001100
32211211000010112111
41001230212202030
54224131224322
6301212113404
736212432524
oct10154464214
92754003474
101102211212
11516195663
12269165864
131474762ab
14a6556684
1566b71177
hex41b2688c

1102211212 has 24 divisors (see below), whose sum is σ = 1950439680. Its totient is φ = 544976400.

The previous prime is 1102211197. The next prime is 1102211213. The reversal of 1102211212 is 2121122011.

It is a junction number, because it is equal to n+sod(n) for n = 1102211192 and 1102211201.

It is not an unprimeable number, because it can be changed into a prime (1102211213) 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, 133089 + ... + 141127.

It is an arithmetic number, because the mean of its divisors is an integer number (81268320).

Almost surely, 21102211212 is an apocalyptic number.

It is an amenable number.

1102211212 is a deficient number, since it is larger than the sum of its proper divisors (848228468).

1102211212 is a wasteful number, since it uses less digits than its factorization.

1102211212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8421 (or 8419 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 1102211212 is about 33199.5664429522. The cubic root of 1102211212 is about 1032.9713464874.

Adding to 1102211212 its reverse (2121122011), we get a palindrome (3223333223).

The spelling of 1102211212 in words is "one billion, one hundred two million, two hundred eleven thousand, two hundred twelve".

Divisors: 1 2 4 151 227 302 454 604 908 8039 16078 32156 34277 68554 137108 1213889 1824853 2427778 3649706 4855556 7299412 275552803 551105606 1102211212