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2201020021122 = 231328218205399
BaseRepresentation
bin100000000001110111000…
…001000011100110000010
321210102012212110222101120
4200001313001003212002
5242030142111133442
64403045025413110
7315006220330416
oct40016701034602
97712185428346
102201020021122
117794a146aa4a
122b66a519a196
1312c72acb0630
147875c210d46
153c3c0c8a4ec
hex20077043982

2201020021122 has 16 divisors (see below), whose sum is σ = 4740658507200. Its totient is φ = 677236929552.

The previous prime is 2201020021093. The next prime is 2201020021127. The reversal of 2201020021122 is 2211200201022.

It is a super-2 number, since 2×22010200211222 (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2201020021127) 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, 14109102622 + ... + 14109102777.

It is an arithmetic number, because the mean of its divisors is an integer number (296291156700).

Almost surely, 22201020021122 is an apocalyptic number.

2201020021122 is an abundant number, since it is smaller than the sum of its proper divisors (2539638486078).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2201020021122 is a wasteful number, since it uses less digits than its factorization.

2201020021122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28218205417.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 2201020021122 its reverse (2211200201022), we get a palindrome (4412220222144).

The spelling of 2201020021122 in words is "two trillion, two hundred one billion, twenty million, twenty-one thousand, one hundred twenty-two".

Divisors: 1 2 3 6 13 26 39 78 28218205399 56436410798 84654616197 169309232394 366836670187 733673340374 1100510010561 2201020021122