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20110022101 = 132382981131
BaseRepresentation
bin10010101110101001…
…101001010111010101
31220220111112222012101
4102232221221113111
5312141131201401
613123255322101
71311226240021
oct225651512725
956814488171
1020110022101
11858a646284
123a92980331
131b8641a080
14d8ab65381
157ca750101
hex4aea695d5

20110022101 has 16 divisors (see below), whose sum is σ = 22626092160. Its totient is φ = 17734368960.

The previous prime is 20110022057. The next prime is 20110022113. The reversal of 20110022101 is 10122001102.

It is not a de Polignac number, because 20110022101 - 211 = 20110020053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20110022201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 207306 + ... + 288436.

It is an arithmetic number, because the mean of its divisors is an integer number (1414130760).

Almost surely, 220110022101 is an apocalyptic number.

It is an amenable number.

20110022101 is a deficient number, since it is larger than the sum of its proper divisors (2516070059).

20110022101 is a wasteful number, since it uses less digits than its factorization.

20110022101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81996.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 20110022101 its reverse (10122001102), we get a palindrome (30232023203).

The spelling of 20110022101 in words is "twenty billion, one hundred ten million, twenty-two thousand, one hundred one".

Divisors: 1 13 23 299 829 10777 19067 81131 247871 1054703 1866013 24258169 67257599 874348787 1546924777 20110022101