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2201021121110 = 257211233999893
BaseRepresentation
bin100000000001110111000…
…101010000001001010110
321210102012221112212021212
4200001313011100021112
5242030142401333420
64403045105141422
7315006232561400
oct40016705201126
97712187485255
102201021121110
117794a2051429
122b66a562a872
1312c72b2a7206
147875c419b70
153c3c0e063c5
hex20077150256

2201021121110 has 48 divisors (see below), whose sum is σ = 4612773758256. Its totient is φ = 753963642432.

The previous prime is 2201021121059. The next prime is 2201021121113. The reversal of 2201021121110 is 111211201022.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201021121113) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1449677 + ... + 2550216.

It is an arithmetic number, because the mean of its divisors is an integer number (96099453297).

Almost surely, 22201021121110 is an apocalyptic number.

2201021121110 is an abundant number, since it is smaller than the sum of its proper divisors (2411752637146).

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

2201021121110 is a wasteful number, since it uses less digits than its factorization.

2201021121110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4001037 (or 4001030 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 2201021121110 its reverse (111211201022), we get a palindrome (2312232322132).

The spelling of 2201021121110 in words is "two trillion, two hundred one billion, twenty-one million, one hundred twenty-one thousand, one hundred ten".

Divisors: 1 2 5 7 10 14 35 49 70 98 245 490 1123 2246 5615 7861 11230 15722 39305 55027 78610 110054 275135 550270 3999893 7999786 19999465 27999251 39998930 55998502 139996255 195994757 279992510 391989514 979973785 1959947570 4491879839 8983759678 22459399195 31443158873 44918798390 62886317746 157215794365 220102112111 314431588730 440204224222 1100510560555 2201021121110