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22012210212211 = 179787156255707
BaseRepresentation
bin1010000000101000111011…
…11110000110110101110011
32212221100100202222101220201
411000110131332012311303
510341122001303242321
6114452134134220031
74431221042433202
oct500243576066563
985840322871821
1022012210212211
117017364897a9a
1225761447b4617
13c3898640123b
1456157a609239
152828c4ca9291
hex14051df86d73

22012210212211 has 8 divisors (see below), whose sum is σ = 22163309622720. Its totient is φ = 21861423315048.

The previous prime is 22012210212193. The next prime is 22012210212227. The reversal of 22012210212211 is 11221201221022.

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 22012210212211 - 227 = 22012075994483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22012210212281) 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, 77986981 + ... + 78268726.

It is an arithmetic number, because the mean of its divisors is an integer number (2770413702840).

Almost surely, 222012210212211 is an apocalyptic number.

22012210212211 is a deficient number, since it is larger than the sum of its proper divisors (151099410509).

22012210212211 is a wasteful number, since it uses less digits than its factorization.

22012210212211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156256673.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 22012210212211 its reverse (11221201221022), we get a palindrome (33233411433233).

The spelling of 22012210212211 in words is "twenty-two trillion, twelve billion, two hundred ten million, two hundred twelve thousand, two hundred eleven".

Divisors: 1 179 787 140873 156255707 27969771553 122973241409 22012210212211