11102011000121 has 4 divisors (see below), whose sum is σ = 11109447043812. Its totient is φ = 11094574956432.

The previous prime is 11102011000117. The next prime is 11102011000127. The reversal of 11102011000121 is 12100011020111.

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 8882402672896 + 2219608327225 = 2980336^2 + 1489835^2 .

It is a cyclic number.

It is not a de Polignac number, because 11102011000121 - 2² = 11102011000117 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11102011000127) 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, 3718019606 + ... + 3718022591.

It is an arithmetic number, because the mean of its divisors is an integer number (2777361760953).

Almost surely, 2^{11102011000121} is an apocalyptic number.

It is an amenable number.

11102011000121 is a deficient number, since it is larger than the sum of its proper divisors (7436043691).

11102011000121 is an equidigital number, since it uses as much as digits as its factorization.

11102011000121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7436043690.

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

Adding to 11102011000121 its reverse (12100011020111), we get a palindrome (23202022020232).

The spelling of 11102011000121 in words is "eleven trillion, one hundred two billion, eleven million, one hundred twenty-one", and thus it is an aban number.