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11202120001201 = 13218480030281
BaseRepresentation
bin1010001100000011001001…
…1000100010011010110001
31110122220122000002120201211
42203000302120202122301
52432013420210014301
635454103300400121
72234216655640003
oct243006230423261
943586560076654
1011202120001201
11362987977a418
12130b0673a6041
13633480a14bbc
142aa28502c373
151465d5ce7051
hexa30326226b1

11202120001201 has 4 divisors (see below), whose sum is σ = 11210600032804. Its totient is φ = 11193639969600.

The previous prime is 11202120001181. The next prime is 11202120001217. The reversal of 11202120001201 is 10210002120211.

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 4842644761201 + 6359475240000 = 2200601^2 + 2521800^2 .

It is a cyclic number.

It is not a de Polignac number, because 11202120001201 - 225 = 11202086446769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11202120001901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4240013820 + ... + 4240016461.

It is an arithmetic number, because the mean of its divisors is an integer number (2802650008201).

Almost surely, 211202120001201 is an apocalyptic number.

It is an amenable number.

11202120001201 is a deficient number, since it is larger than the sum of its proper divisors (8480031603).

11202120001201 is an equidigital number, since it uses as much as digits as its factorization.

11202120001201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8480031602.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 11202120001201 its reverse (10210002120211), we get a palindrome (21412122121412).

The spelling of 11202120001201 in words is "eleven trillion, two hundred two billion, one hundred twenty million, one thousand, two hundred one".

Divisors: 1 1321 8480030281 11202120001201