11012221112201 has 4 divisors (see below), whose sum is σ = 11012506730004. Its totient is φ = 11011935494400.

The previous prime is 11012221112183. The next prime is 11012221112257. The reversal of 11012221112201 is 10221112221011.

11012221112201 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.

It can be written as a sum of positive squares in 2 ways, for example, as 2644854942601 + 8367366169600 = 1626301^2 + 2892640^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11012221112201 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11012221112201.

It is not an unprimeable number, because it can be changed into a prime (11012221112261) 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, 142751060 + ... + 142828181.

It is an arithmetic number, because the mean of its divisors is an integer number (2753126682501).

Almost surely, 2^{11012221112201} is an apocalyptic number.

It is an amenable number.

11012221112201 is a deficient number, since it is larger than the sum of its proper divisors (285617803).

11012221112201 is an equidigital number, since it uses as much as digits as its factorization.

11012221112201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285617802.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 11012221112201 its reverse (10221112221011), we get a palindrome (21233333333212).

The spelling of 11012221112201 in words is "eleven trillion, twelve billion, two hundred twenty-one million, one hundred twelve thousand, two hundred one".