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120102002011 = 211569203801
BaseRepresentation
bin110111111011010100…
…0110001110101011011
3102111000010002211221201
41233312220301311123
53431432103031021
6131101334415031
711451145113235
oct1576650616533
9374003084851
10120102002011
1146a314a3802
121b339b01477
13b43037c1a4
145b54ad9255
1531cde03591
hex1bf6a31d5b

120102002011 has 4 divisors (see below), whose sum is σ = 120671206024. Its totient is φ = 119532798000.

The previous prime is 120102001973. The next prime is 120102002017. The reversal of 120102002011 is 110200201021.

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

It is a cyclic number.

It is not a de Polignac number, because 120102002011 - 27 = 120102001883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120102002017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 284601690 + ... + 284602111.

It is an arithmetic number, because the mean of its divisors is an integer number (30167801506).

Almost surely, 2120102002011 is an apocalyptic number.

120102002011 is a deficient number, since it is larger than the sum of its proper divisors (569204013).

120102002011 is an equidigital number, since it uses as much as digits as its factorization.

120102002011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569204012.

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

Adding to 120102002011 its reverse (110200201021), we get a palindrome (230302203032).

The spelling of 120102002011 in words is "one hundred twenty billion, one hundred two million, two thousand, eleven".

Divisors: 1 211 569203801 120102002011