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22122120012011 = 31782391220347
BaseRepresentation
bin1010000011110101101010…
…00110101110000011101011
32220022212001120122201212122
411001322311012232003223
510344422100210341021
6115014432302501455
74442161520345255
oct501726506560353
986285046581778
1022122120012011
117059a3602a388
1225934b929488b
13c46151009036
14566a0582ccd5
152856a8ed5bab
hex141eb51ae0eb

22122120012011 has 8 divisors (see below), whose sum is σ = 22838656088064. Its totient is φ = 21405766392360.

The previous prime is 22122120011993. The next prime is 22122120012019. The reversal of 22122120012011 is 11021002122122.

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 22122120012011 - 226 = 22122052903147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22122120012019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45367661 + ... + 45852686.

It is an arithmetic number, because the mean of its divisors is an integer number (2854832011008).

Almost surely, 222122120012011 is an apocalyptic number.

22122120012011 is a deficient number, since it is larger than the sum of its proper divisors (716536076053).

22122120012011 is an equidigital number, since it uses as much as digits as its factorization.

22122120012011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91228201.

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

Adding to 22122120012011 its reverse (11021002122122), we get a palindrome (33143122134133).

The spelling of 22122120012011 in words is "twenty-two trillion, one hundred twenty-two billion, one hundred twenty million, twelve thousand, eleven".

Divisors: 1 31 7823 242513 91220347 2827830757 713616774581 22122120012011