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201002011212011 = 1447138909475613
BaseRepresentation
bin101101101100111101101101…
…011110100011100011101011
3222100200121022202111122021012
4231230331231132203203223
5202321204104332241021
61551255014343134135
760223626134143442
oct5554755536434353
9870617282448235
10201002011212011
1159055524243629
121a663652a4434b
1388205401291a9
14378c799203d59
1518387cc18035b
hexb6cf6d7a38eb

201002011212011 has 4 divisors (see below), whose sum is σ = 201140920689072. Its totient is φ = 200863101734952.

The previous prime is 201002011211929. The next prime is 201002011212047. The reversal of 201002011212011 is 110212110200102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-201002011212011 is a prime.

It is a super-2 number, since 2×2010020112120112 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201002011212811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69454736360 + ... + 69454739253.

It is an arithmetic number, because the mean of its divisors is an integer number (50285230172268).

Almost surely, 2201002011212011 is an apocalyptic number.

201002011212011 is a deficient number, since it is larger than the sum of its proper divisors (138909477061).

201002011212011 is a wasteful number, since it uses less digits than its factorization.

201002011212011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138909477060.

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

Adding to 201002011212011 its reverse (110212110200102), we get a palindrome (311214121412113).

The spelling of 201002011212011 in words is "two hundred one trillion, two billion, eleven million, two hundred twelve thousand, eleven".

Divisors: 1 1447 138909475613 201002011212011