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11012221202201 = 12481038823167
BaseRepresentation
bin1010000000111111101110…
…0010000110111100011001
31102222202110122000002000222
42200033323202012330121
52420411012111432301
635230540010205425
72214415051531412
oct240177342067431
942882418002028
1011012221202201
11356629086501a
12129a2aa723875
1361b5a935754b
142a0dcc6d4809
151416be57131b
hexa03fb886f19

11012221202201 has 4 divisors (see below), whose sum is σ = 11012231273472. Its totient is φ = 11012211130932.

The previous prime is 11012221202063. The next prime is 11012221202221. The reversal of 11012221202201 is 10220212221011.

11012221202201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 11012221202201 - 214 = 11012221185817 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11012221202201.

It is not an unprimeable number, because it can be changed into a prime (11012221202221) 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, 3163481 + ... + 5659686.

It is an arithmetic number, because the mean of its divisors is an integer number (2753057818368).

Almost surely, 211012221202201 is an apocalyptic number.

It is an amenable number.

11012221202201 is a deficient number, since it is larger than the sum of its proper divisors (10071271).

11012221202201 is an equidigital number, since it uses as much as digits as its factorization.

11012221202201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10071270.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 11012221202201 its reverse (10220212221011), we get a palindrome (21232433423212).

The spelling of 11012221202201 in words is "eleven trillion, twelve billion, two hundred twenty-one million, two hundred two thousand, two hundred one".

Divisors: 1 1248103 8823167 11012221202201