11121021002011 has 8 divisors (see below), whose sum is σ = 11127684459584. Its totient is φ = 11114357888520.

The previous prime is 11121021001991. The next prime is 11121021002029. The reversal of 11121021002011 is 11020012012111.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11121021002011 - 2²¹ = 11121018904859 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11121021001982 and 11121021002000.

It is not an unprimeable number, because it can be changed into a prime (11121021002111) 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 7 ways as a sum of consecutive naturals, for example, 96745576 + ... + 96860458.

It is an arithmetic number, because the mean of its divisors is an integer number (1390960557448).

Almost surely, 2^{11121021002011} is an apocalyptic number.

11121021002011 is a deficient number, since it is larger than the sum of its proper divisors (6663457573).

11121021002011 is a wasteful number, since it uses less digits than its factorization.

11121021002011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172041.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 11121021002011 its reverse (11020012012111), we get a palindrome (22141033014122).

The spelling of 11121021002011 in words is "eleven trillion, one hundred twenty-one billion, twenty-one million, two thousand, eleven".