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2111011011213 = 313269201221143
BaseRepresentation
bin11110101110000010000…
…011111011101010001101
321110210212222122111222220
4132232002003323222031
5234041322304324323
64253441324125553
7305341551350046
oct36560203735215
97423788574886
102111011011213
11744302755655
122a11653968b9
131240b5355360
14742600498cd
1539da3c2e0e3
hex1eb820fba8d

2111011011213 has 16 divisors (see below), whose sum is σ = 3042463697280. Its totient is φ = 1294254385344.

The previous prime is 2111011011209. The next prime is 2111011011227. The reversal of 2111011011213 is 3121101101112.

It is not a de Polignac number, because 2111011011213 - 22 = 2111011011209 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2111011011192 and 2111011011201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111011011913) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100600081 + ... + 100621062.

It is an arithmetic number, because the mean of its divisors is an integer number (190153981080).

Almost surely, 22111011011213 is an apocalyptic number.

It is an amenable number.

2111011011213 is a deficient number, since it is larger than the sum of its proper divisors (931452686067).

2111011011213 is a wasteful number, since it uses less digits than its factorization.

2111011011213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201221428.

The product of its (nonzero) digits is 12, while the sum is 15.

Adding to 2111011011213 its reverse (3121101101112), we get a palindrome (5232112112325).

The spelling of 2111011011213 in words is "two trillion, one hundred eleven billion, eleven million, eleven thousand, two hundred thirteen".

Divisors: 1 3 13 39 269 807 3497 10491 201221143 603663429 2615874859 7847624577 54128487467 162385462401 703670337071 2111011011213