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20110222122011 = 718011595163173
BaseRepresentation
bin1001001001010010001101…
…01001010101110000011011
32122012111222221211110010222
410210221012221111300123
510113441213330401021
6110434301500430255
74143626023424240
oct444510651256033
978174887743128
1020110222122011
11645377412a75a
1223095b484838b
13b2b502812188
144d74a8b415c7
1524d1a67076ab
hex124a46a55c1b

20110222122011 has 8 divisors (see below), whose sum is σ = 22995872316384. Its totient is φ = 17227762257600.

The previous prime is 20110222121999. The next prime is 20110222122031. The reversal of 20110222122011 is 11022122201102.

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 20110222122011 - 26 = 20110222121947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20110222122031) 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, 797568980 + ... + 797594193.

It is an arithmetic number, because the mean of its divisors is an integer number (2874484039548).

Almost surely, 220110222122011 is an apocalyptic number.

20110222122011 is a deficient number, since it is larger than the sum of its proper divisors (2885650194373).

20110222122011 is a wasteful number, since it uses less digits than its factorization.

20110222122011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1595164981.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 20110222122011 its reverse (11022122201102), we get a palindrome (31132344323113).

The spelling of 20110222122011 in words is "twenty trillion, one hundred ten billion, two hundred twenty-two million, one hundred twenty-two thousand, eleven".

Divisors: 1 7 1801 12607 1595163173 11166142211 2872888874573 20110222122011