11001110021201 has 4 divisors (see below), whose sum is σ = 11001349779252. Its totient is φ = 11000870263152.

The previous prime is 11001110021197. The next prime is 11001110021243. The reversal of 11001110021201 is 10212001110011.

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 1796803521601 + 9204306499600 = 1340449^2 + 3033860^2 .

It is a cyclic number.

It is not a de Polignac number, because 11001110021201 - 2² = 11001110021197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11001110021281) 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, 119810186 + ... + 119901971.

It is an arithmetic number, because the mean of its divisors is an integer number (2750337444813).

Almost surely, 2^{11001110021201} is an apocalyptic number.

It is an amenable number.

11001110021201 is a deficient number, since it is larger than the sum of its proper divisors (239758051).

11001110021201 is an equidigital number, since it uses as much as digits as its factorization.

11001110021201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239758050.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 11001110021201 its reverse (10212001110011), we get a palindrome (21213111131212).

The spelling of 11001110021201 in words is "eleven trillion, one billion, one hundred ten million, twenty-one thousand, two hundred one".