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20012200001111 = 199378711230487
BaseRepresentation
bin1001000110011011101000…
…00100100111111001010111
32121212010222121220202221202
410203031310010213321113
510110334441200013421
6110321251110303115
74133555654226143
oct443156404477127
977763877822852
1020012200001111
11641614320248a
1222b25b9357a9b
13b221b0a031c6
144d284a65c223
1524a86ae6110b
hex123374127e57

20012200001111 has 8 divisors (see below), whose sum is σ = 21065700170880. Its totient is φ = 18958722479928.

The previous prime is 20012200001089. The next prime is 20012200001117. The reversal of 20012200001111 is 11110000221002.

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 20012200001111 - 210 = 20012200000087 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20012200001092 and 20012200001101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20012200001117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3833291 + ... + 7397196.

It is an arithmetic number, because the mean of its divisors is an integer number (2633212521360).

Almost surely, 220012200001111 is an apocalyptic number.

20012200001111 is a deficient number, since it is larger than the sum of its proper divisors (1053500169769).

20012200001111 is a wasteful number, since it uses less digits than its factorization.

20012200001111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11324293.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 20012200001111 its reverse (11110000221002), we get a palindrome (31122200222113).

The spelling of 20012200001111 in words is "twenty trillion, twelve billion, two hundred million, one thousand, one hundred eleven".

Divisors: 1 19 93787 1781953 11230487 213379253 1053273684269 20012200001111