11202111001 has 2 divisors, whose sum is σ = 11202111002. Its totient is φ = 11202111000.

The previous prime is 11202110999. The next prime is 11202111023. The reversal of 11202111001 is 10011120211.

11202111001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8779502601 + 2422608400 = 93699^2 + 49220^2 .

It is a cyclic number.

It is not a de Polignac number, because 11202111001 - 2¹ = 11202110999 is a prime.

Together with 11202110999, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (11202111071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5601055500 + 5601055501.

It is an arithmetic number, because the mean of its divisors is an integer number (5601055501).

Almost surely, 2^11202111001 is an apocalyptic number.

It is an amenable number.

11202111001 is a deficient number, since it is larger than the sum of its proper divisors (1).

11202111001 is an equidigital number, since it uses as much as digits as its factorization.

11202111001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 11202111001 its reverse (10011120211), we get a palindrome (21213231212).

It can be divided in two parts, 1120211 and 1001, that multiplied together give a palindrome (1121331211).

The spelling of 11202111001 in words is "eleven billion, two hundred two million, one hundred eleven thousand, one".