11112011201201 has 4 divisors (see below), whose sum is σ = 11113200806004. Its totient is φ = 11110821596400.

The previous prime is 11112011201197. The next prime is 11112011201209. The reversal of 11112011201201 is 10210211021111.

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 8373065640625 + 2738945560576 = 2893625^2 + 1654976^2 .

It is a cyclic number.

It is not a de Polignac number, because 11112011201201 - 2² = 11112011201197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11112011201209) 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, 594788390 + ... + 594807071.

It is an arithmetic number, because the mean of its divisors is an integer number (2778300201501).

Almost surely, 2^{11112011201201} is an apocalyptic number.

It is an amenable number.

11112011201201 is a deficient number, since it is larger than the sum of its proper divisors (1189604803).

11112011201201 is an equidigital number, since it uses as much as digits as its factorization.

11112011201201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1189604802.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 11112011201201 its reverse (10210211021111), we get a palindrome (21322222222312).

The spelling of 11112011201201 in words is "eleven trillion, one hundred twelve billion, eleven million, two hundred one thousand, two hundred one".