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20100222210211 = 1113226961948433
BaseRepresentation
bin1001001000111111100101…
…00110101101000010100011
32122011120012001020022000021
410210133302212231002203
510113310223341211321
6110425525315534311
74143123146530363
oct444376246550243
978146161208007
1020100222210211
11644a502475a40
1223076838ba397
13b2a59ab55bc0
144d6bdaa029a3
1524ccbd865941
hex1247f29ad0a3

20100222210211 has 16 divisors (see below), whose sum is σ = 23624654790240. Its totient is φ = 16859885253120.

The previous prime is 20100222210127. The next prime is 20100222210221. The reversal of 20100222210211 is 11201222200102.

It is a happy number.

It is not a de Polignac number, because 20100222210211 - 27 = 20100222210083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20100222210221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30649750 + ... + 31298683.

It is an arithmetic number, because the mean of its divisors is an integer number (1476540924390).

Almost surely, 220100222210211 is an apocalyptic number.

20100222210211 is a deficient number, since it is larger than the sum of its proper divisors (3524432580029).

20100222210211 is a wasteful number, since it uses less digits than its factorization.

20100222210211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61950726.

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

Adding to 20100222210211 its reverse (11201222200102), we get a palindrome (31301444410313).

The spelling of 20100222210211 in words is "twenty trillion, one hundred billion, two hundred twenty-two million, two hundred ten thousand, two hundred eleven".

Divisors: 1 11 13 143 2269 24959 29497 324467 61948433 681432763 805329629 8858625919 140560994477 1546170939247 1827292928201 20100222210211