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2001102102201 = 310122764345247
BaseRepresentation
bin11101000111101010111…
…110101101111010111001
321002022012020122102222010
4131013222332231322321
5230241224114232301
64131143230520133
7264401114135016
oct35075276557271
97068166572863
102001102102201
11701731a71554
122839b1066049
1311691a99cb57
146cbd4db870d
15370beb2b5d6
hex1d1eafadeb9

2001102102201 has 32 divisors (see below), whose sum is σ = 2710692569088. Its totient is φ = 1312966526400.

The previous prime is 2001102102191. The next prime is 2001102102217. The reversal of 2001102102201 is 1022012011002.

It is not a de Polignac number, because 2001102102201 - 29 = 2001102101689 is a prime.

It is a super-2 number, since 2×20011021022012 (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2001102102101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44203560 + ... + 44248806.

It is an arithmetic number, because the mean of its divisors is an integer number (84709142784).

Almost surely, 22001102102201 is an apocalyptic number.

It is an amenable number.

2001102102201 is a deficient number, since it is larger than the sum of its proper divisors (709590466887).

2001102102201 is a wasteful number, since it uses less digits than its factorization.

2001102102201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46221.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 2001102102201 its reverse (1022012011002), we get a palindrome (3023114113203).

The spelling of 2001102102201 in words is "two trillion, one billion, one hundred two million, one hundred two thousand, two hundred one".

Divisors: 1 3 101 227 303 643 681 1929 22927 45247 64943 68781 135741 145961 194829 437883 4569947 10271069 13709841 14742061 29093821 30813207 44226183 87281463 1037377969 2938475921 3112133907 6604297367 8815427763 19812892101 667034034067 2001102102201