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20201112102011 = 1710142972738039
BaseRepresentation
bin1001001011111011100000…
…00111000110010001111011
32122112012121020100211022112
410211331300013012101323
510121433334144231021
6110544132432242535
74153324250464541
oct445756007062173
978465536324275
1020201112102011
116489275159a05
12232313b6a044b
13b36c58b30129
144dba4bd0bd91
15250725c81d5b
hex125f701c647b

20201112102011 has 16 divisors (see below), whose sum is σ = 21606224109120. Its totient is φ = 18820177996800.

The previous prime is 20201112101969. The next prime is 20201112102019. The reversal of 20201112102011 is 11020121110202.

It is a cyclic number.

It is not a de Polignac number, because 20201112102011 - 210 = 20201112100987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20201112102019) 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 15 ways as a sum of consecutive naturals, for example, 6008930 + ... + 8746968.

It is an arithmetic number, because the mean of its divisors is an integer number (1350389006820).

Almost surely, 220201112102011 is an apocalyptic number.

20201112102011 is a deficient number, since it is larger than the sum of its proper divisors (1405112007109).

20201112102011 is a wasteful number, since it uses less digits than its factorization.

20201112102011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2742454.

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

Adding to 20201112102011 its reverse (11020121110202), we get a palindrome (31221233212213).

The spelling of 20201112102011 in words is "twenty trillion, two hundred one billion, one hundred twelve million, one hundred two thousand, eleven".

Divisors: 1 17 101 1717 4297 73049 433997 2738039 7377949 46546663 276541939 4701212963 11765353583 200011010911 1188300711883 20201112102011