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11212201201 = 59918718199
BaseRepresentation
bin10100111000100110…
…01001110011110001
31001221101201211120011
422130103021303301
5140430310414301
65052324214521
7544564065145
oct123423116361
931841654504
1011212201201
114833aa4793
12220ab3a441
131098b943a6
1478514b225
15459508a51
hex29c4c9cf1

11212201201 has 4 divisors (see below), whose sum is σ = 11230920000. Its totient is φ = 11193482404.

The previous prime is 11212201141. The next prime is 11212201211. The reversal of 11212201201 is 10210221211.

11212201201 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.

It is a cyclic number.

It is not a de Polignac number, because 11212201201 - 227 = 11077983473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11212201211) 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, 9358501 + ... + 9359698.

It is an arithmetic number, because the mean of its divisors is an integer number (2807730000).

Almost surely, 211212201201 is an apocalyptic number.

It is an amenable number.

11212201201 is a deficient number, since it is larger than the sum of its proper divisors (18718799).

11212201201 is an equidigital number, since it uses as much as digits as its factorization.

11212201201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18718798.

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

Adding to 11212201201 its reverse (10210221211), we get a palindrome (21422422412).

The spelling of 11212201201 in words is "eleven billion, two hundred twelve million, two hundred one thousand, two hundred one".

Divisors: 1 599 18718199 11212201201