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11011120201 = 17647712953
BaseRepresentation
bin10100100000101000…
…00101110001001001
31001102101100212021201
422100110011301021
5140022321321301
65020342304201
7536602656154
oct122024056111
931371325251
1011011120201
114740543644
122173728061
13106631c053
14766566c9b
15446a39201
hex290505c49

11011120201 has 4 divisors (see below), whose sum is σ = 11658833172. Its totient is φ = 10363407232.

The previous prime is 11011120193. The next prime is 11011120207. The reversal of 11011120201 is 10202111011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10202111011 = 46322034797.

It can be written as a sum of positive squares in 2 ways, for example, as 3653598025 + 7357522176 = 60445^2 + 85776^2 .

It is a cyclic number.

It is not a de Polignac number, because 11011120201 - 23 = 11011120193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11011120207) 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, 323856460 + ... + 323856493.

It is an arithmetic number, because the mean of its divisors is an integer number (2914708293).

Almost surely, 211011120201 is an apocalyptic number.

It is an amenable number.

11011120201 is a deficient number, since it is larger than the sum of its proper divisors (647712971).

11011120201 is an equidigital number, since it uses as much as digits as its factorization.

11011120201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647712970.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 11011120201 its reverse (10202111011), we get a palindrome (21213231212).

The spelling of 11011120201 in words is "eleven billion, eleven million, one hundred twenty thousand, two hundred one".

Divisors: 1 17 647712953 11011120201