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20110201210101 = 317627380291621
BaseRepresentation
bin1001001001010010001010…
…11001100100010011110101
32122012111221111111000101210
410210221011121210103311
510113441143002210401
6110434255432312033
74143625350606462
oct444510531442365
978174844430353
1020110201210101
116453763347292
1223095a9842619
13b2b4cb39c972
144d74a605a669
1524d1a49764d6
hex124a456644f5

20110201210101 has 8 divisors (see below), whose sum is σ = 26815122850464. Its totient is φ = 13406040188240.

The previous prime is 20110201210091. The next prime is 20110201210153. The reversal of 20110201210101 is 10101210201102.

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 20110201210101 - 26 = 20110201210037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20110201211101) 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, 190092930 + ... + 190198691.

It is an arithmetic number, because the mean of its divisors is an integer number (3351890356308).

Almost surely, 220110201210101 is an apocalyptic number.

It is an amenable number.

20110201210101 is a deficient number, since it is larger than the sum of its proper divisors (6704921640363).

20110201210101 is a wasteful number, since it uses less digits than its factorization.

20110201210101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380309251.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 20110201210101 its reverse (10101210201102), we get a palindrome (30211411411203).

The spelling of 20110201210101 in words is "twenty trillion, one hundred ten billion, two hundred one million, two hundred ten thousand, one hundred one".

Divisors: 1 3 17627 52881 380291621 1140874863 6703400403367 20110201210101