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20102201022211 = 711261067545743
BaseRepresentation
bin1001001001000011010001…
…00011010001011100000011
32122011202021221201100202121
410210201220203101130003
510113323301430202321
6110430453524425111
74143223165254520
oct444415043213403
978152257640677
1020102201022211
116450328460760
122307b36548197
13b2a824ac2189
144d6d47744147
1524cd87440441
hex1248688d1703

20102201022211 has 8 divisors (see below), whose sum is σ = 25062484391424. Its totient is φ = 15664052744520.

The previous prime is 20102201022179. The next prime is 20102201022227. The reversal of 20102201022211 is 11222010220102.

It is a happy number.

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 20102201022211 - 25 = 20102201022179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20102201022311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130533772795 + ... + 130533772948.

It is an arithmetic number, because the mean of its divisors is an integer number (3132810548928).

Almost surely, 220102201022211 is an apocalyptic number.

20102201022211 is a deficient number, since it is larger than the sum of its proper divisors (4960283369213).

20102201022211 is a wasteful number, since it uses less digits than its factorization.

20102201022211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261067545761.

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

Adding to 20102201022211 its reverse (11222010220102), we get a palindrome (31324211242313).

The spelling of 20102201022211 in words is "twenty trillion, one hundred two billion, two hundred one million, twenty-two thousand, two hundred eleven".

Divisors: 1 7 11 77 261067545743 1827472820201 2871743003173 20102201022211