11202111122001 has 4 divisors (see below), whose sum is σ = 14936148162672. Its totient is φ = 7468074081332.

The previous prime is 11202111121997. The next prime is 11202111122009. The reversal of 11202111122001 is 10022111120211.

It is a happy number.

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 11202111122001 - 2² = 11202111121997 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11202111122009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1867018520331 + ... + 1867018520336.

It is an arithmetic number, because the mean of its divisors is an integer number (3734037040668).

Almost surely, 2^{11202111122001} is an apocalyptic number.

It is an amenable number.

11202111122001 is a deficient number, since it is larger than the sum of its proper divisors (3734037040671).

11202111122001 is an equidigital number, since it uses as much as digits as its factorization.

11202111122001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3734037040670.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 11202111122001 its reverse (10022111120211), we get a palindrome (21224222242212).

The spelling of 11202111122001 in words is "eleven trillion, two hundred two billion, one hundred eleven million, one hundred twenty-two thousand, one".