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120211121101 = 280014293101
BaseRepresentation
bin110111111110100100…
…1000010001111001101
3102111021201102200012111
41233331021002033031
53432143021333401
6131120233304021
711453641445551
oct1577511021715
9374251380174
10120211121101
1146a88053575
121b36a565011
13b449b665b6
145b653c1861
1531d87a9e51
hex1bfd2423cd

120211121101 has 4 divisors (see below), whose sum is σ = 120215442204. Its totient is φ = 120206800000.

The previous prime is 120211121099. The next prime is 120211121113. The reversal of 120211121101 is 101121112021.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 98126189001 + 22084932100 = 313251^2 + 148610^2 .

It is a cyclic number.

It is not a de Polignac number, because 120211121101 - 21 = 120211121099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120211121801) 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, 2118550 + ... + 2174551.

It is an arithmetic number, because the mean of its divisors is an integer number (30053860551).

Almost surely, 2120211121101 is an apocalyptic number.

It is an amenable number.

120211121101 is a deficient number, since it is larger than the sum of its proper divisors (4321103).

120211121101 is an equidigital number, since it uses as much as digits as its factorization.

120211121101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4321102.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 120211121101 its reverse (101121112021), we get a palindrome (221332233122).

The spelling of 120211121101 in words is "one hundred twenty billion, two hundred eleven million, one hundred twenty-one thousand, one hundred one".

Divisors: 1 28001 4293101 120211121101