11002123201 has 4 divisors (see below), whose sum is σ = 11005504452. Its totient is φ = 10998741952.

The previous prime is 11002123141. The next prime is 11002123207. The reversal of 11002123201 is 10232120011.

11002123201 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 6688786225 + 4313336976 = 81785^2 + 65676^2 .

It is a cyclic number.

It is not a de Polignac number, because 11002123201 - 2¹¹ = 11002121153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11002123207) 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 in 3 ways as a sum of consecutive naturals, for example, 1685740 + ... + 1692253.

It is an arithmetic number, because the mean of its divisors is an integer number (2751376113).

Almost surely, 2^11002123201 is an apocalyptic number.

It is an amenable number.

11002123201 is a deficient number, since it is larger than the sum of its proper divisors (3381251).

11002123201 is an equidigital number, since it uses as much as digits as its factorization.

11002123201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3381250.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 11002123201 its reverse (10232120011), we get a palindrome (21234243212).

The spelling of 11002123201 in words is "eleven billion, two million, one hundred twenty-three thousand, two hundred one".