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11222232211131 = 322971628534641
BaseRepresentation
bin1010001101001110000100…
…1010100001111010111011
31110201211112122202201001220
42203103201022201322323
52432331112421224011
635511231115043123
72235531242621364
oct243234112417273
943654478681056
1011222232211131
11363735a57a417
121312b3aa404a3
13635337719a36
142ab2321a2b6b
15146db182a506
hexa34e12a1ebb

11222232211131 has 8 divisors (see below), whose sum is σ = 14969490429264. Its totient is φ = 7478231066880.

The previous prime is 11222232211093. The next prime is 11222232211159. The reversal of 11222232211131 is 13111223222211.

11222232211131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 11222232211131 - 213 = 11222232202939 is a prime.

It is a super-2 number, since 2×112222322111312 (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11222232211171) 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, 814260430 + ... + 814274211.

It is an arithmetic number, because the mean of its divisors is an integer number (1871186303658).

Almost surely, 211222232211131 is an apocalyptic number.

11222232211131 is a deficient number, since it is larger than the sum of its proper divisors (3747258218133).

11222232211131 is a wasteful number, since it uses less digits than its factorization.

11222232211131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1628536941.

The product of its digits is 576, while the sum is 24.

Adding to 11222232211131 its reverse (13111223222211), we get a palindrome (24333455433342).

The spelling of 11222232211131 in words is "eleven trillion, two hundred twenty-two billion, two hundred thirty-two million, two hundred eleven thousand, one hundred thirty-one".

Divisors: 1 3 2297 6891 1628534641 4885603923 3740744070377 11222232211131