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11202122011 = 19919641551
BaseRepresentation
bin10100110111011001…
…01101000100011011
31001220200202202111211
422123230231010123
5140420220401021
65051324203551
7544412315563
oct123354550433
931820682454
1011202122011
114829340083
1222076995b7
131096a75782
14783a85da3
154586b73e1
hex29bb2d11b

11202122011 has 8 divisors (see below), whose sum is σ = 11804556800. Its totient is φ = 10600972200.

The previous prime is 11202121981. The next prime is 11202122021. The reversal of 11202122011 is 11022120211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11202122011 - 227 = 11067904283 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11202121982 and 11202122000.

It is not an unprimeable number, because it can be changed into a prime (11202122021) 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, 303315 + ... + 338236.

It is an arithmetic number, because the mean of its divisors is an integer number (1475569600).

Almost surely, 211202122011 is an apocalyptic number.

11202122011 is a deficient number, since it is larger than the sum of its proper divisors (602434789).

11202122011 is an equidigital number, since it uses as much as digits as its factorization.

11202122011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642489.

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

Adding to 11202122011 its reverse (11022120211), we get a palindrome (22224242222).

The spelling of 11202122011 in words is "eleven billion, two hundred two million, one hundred twenty-two thousand, eleven".

Divisors: 1 19 919 17461 641551 12189469 589585369 11202122011