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20110102111211 = 77301939344167
BaseRepresentation
bin1001001001010001111110…
…11111100010001111101011
32122012111200121000021021112
410210220333133202033223
510113440442120024321
6110434241532300535
74143623035356440
oct444507737421753
978174617007245
1020110102111211
116453712410882
12230958061174b
13b2b4b39b3378
144d7496c219c7
1524d19adeda5b
hex124a3f7e23eb

20110102111211 has 8 divisors (see below), whose sum is σ = 22983289178880. Its totient is φ = 17236993877928.

The previous prime is 20110102111201. The next prime is 20110102111213. The reversal of 20110102111211 is 11211120101102.

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 20110102111211 - 214 = 20110102094827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20110102111213) 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, 19160951 + ... + 20183216.

It is an arithmetic number, because the mean of its divisors is an integer number (2872911147360).

Almost surely, 220110102111211 is an apocalyptic number.

20110102111211 is a deficient number, since it is larger than the sum of its proper divisors (2873187067669).

20110102111211 is an equidigital number, since it uses as much as digits as its factorization.

20110102111211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39417193.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 20110102111211 its reverse (11211120101102), we get a palindrome (31321222212313).

The spelling of 20110102111211 in words is "twenty trillion, one hundred ten billion, one hundred two million, one hundred eleven thousand, two hundred eleven".

Divisors: 1 7 73019 511133 39344167 275409169 2872871730173 20110102111211