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220211222011 = 1123870400087
BaseRepresentation
bin1100110100010110011…
…1001001010111111011
3210001101220021010212121
43031011213021113323
512101443033101021
6245055202422111
721624016334344
oct3150547112773
9701356233777
10220211222011
1185433548470
1236818361937
13179c56acc41
14a93046b0cb
155adca14741
hex33459c95fb

220211222011 has 8 divisors (see below), whose sum is σ = 250675225344. Its totient is φ = 191488018920.

The previous prime is 220211221969. The next prime is 220211222027. The reversal of 220211222011 is 110222112022.

It is a happy number.

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

It is not a de Polignac number, because 220211222011 - 227 = 220077004283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220211222051) 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, 435199791 + ... + 435200296.

It is an arithmetic number, because the mean of its divisors is an integer number (31334403168).

Almost surely, 2220211222011 is an apocalyptic number.

220211222011 is a deficient number, since it is larger than the sum of its proper divisors (30464003333).

220211222011 is a wasteful number, since it uses less digits than its factorization.

220211222011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 870400121.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 220211222011 its reverse (110222112022), we get a palindrome (330433334033).

The spelling of 220211222011 in words is "two hundred twenty billion, two hundred eleven million, two hundred twenty-two thousand, eleven".

Divisors: 1 11 23 253 870400087 9574400957 20019202001 220211222011