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2011002020201 = 4121196312921
BaseRepresentation
bin11101010000111001000…
…011111010000101101001
321010020202012002101101202
4131100321003322011221
5230422013004121301
64135501440253545
7265201335063506
oct35207103720551
97106665071352
102011002020201
11705952239469
122858b46112b5
13117837a183b5
146d493b284ad
153749dd1a66b
hex1d4390fa169

2011002020201 has 6 divisors (see below), whose sum is σ = 2061247164606. Its totient is φ = 1961953188800.

The previous prime is 2011002020197. The next prime is 2011002020233. The reversal of 2011002020201 is 1020202001102.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 231672792976 + 1779329227225 = 481324^2 + 1333915^2 .

It is not a de Polignac number, because 2011002020201 - 22 = 2011002020197 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2011002020501) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 598154780 + ... + 598158141.

It is an arithmetic number, because the mean of its divisors is an integer number (343541194101).

Almost surely, 22011002020201 is an apocalyptic number.

It is an amenable number.

2011002020201 is a deficient number, since it is larger than the sum of its proper divisors (50245144405).

2011002020201 is an equidigital number, since it uses as much as digits as its factorization.

2011002020201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1196313003 (or 1196312962 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 2011002020201 its reverse (1020202001102), we get a palindrome (3031204021303).

The spelling of 2011002020201 in words is "two trillion, eleven billion, two million, twenty thousand, two hundred one".

Divisors: 1 41 1681 1196312921 49048829761 2011002020201