11001201021047 has 2 divisors, whose sum is σ = 11001201021048. Its totient is φ = 11001201021046.

The previous prime is 11001201021029. The next prime is 11001201021067. The reversal of 11001201021047 is 74012010210011.

It is an a-pointer prime, because the next prime (11001201021067) can be obtained adding 11001201021047 to its sum of digits (20).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11001201021047 - 2³⁸ = 10726323114103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11001201021067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5500600510523 + 5500600510524.

It is an arithmetic number, because the mean of its divisors is an integer number (5500600510524).

Almost surely, 2^{11001201021047} is an apocalyptic number.

11001201021047 is a deficient number, since it is larger than the sum of its proper divisors (1).

11001201021047 is an equidigital number, since it uses as much as digits as its factorization.

11001201021047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 20.

Adding to 11001201021047 its reverse (74012010210011), we get a palindrome (85013211231058).

The spelling of 11001201021047 in words is "eleven trillion, one billion, two hundred one million, twenty-one thousand, forty-seven".