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11202120212 = 2254721132423
BaseRepresentation
bin10100110111011001…
…01100101000010100
31001220200202200001012
422123230230220110
5140420220321322
65051324151352
7544412310413
oct123354545024
931820680035
1011202120212
114829339798
122207698558
131096a749ca
14783a8547a
154586b6ae2
hex29bb2ca14

11202120212 has 24 divisors (see below), whose sum is σ = 19656952896. Its totient is φ = 5585868288.

The previous prime is 11202120197. The next prime is 11202120253. The reversal of 11202120212 is 21202120211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4622033 + ... + 4624455.

It is an arithmetic number, because the mean of its divisors is an integer number (819039704).

Almost surely, 211202120212 is an apocalyptic number.

It is an amenable number.

11202120212 is a deficient number, since it is larger than the sum of its proper divisors (8454832684).

11202120212 is a wasteful number, since it uses less digits than its factorization.

11202120212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5087 (or 5085 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 11202120212 its reverse (21202120211), we get a palindrome (32404240423).

Subtracting 11202120212 from its reverse (21202120211), we obtain a palindrome (9999999999).

The spelling of 11202120212 in words is "eleven billion, two hundred two million, one hundred twenty thousand, two hundred twelve".

Divisors: 1 2 4 547 1094 2113 2188 2423 4226 4846 8452 9692 1155811 1325381 2311622 2650762 4623244 5119799 5301524 10239598 20479196 2800530053 5601060106 11202120212