11202120021011 has 4 divisors (see below), whose sum is σ = 11202220053024. Its totient is φ = 11202019989000.

The previous prime is 11202120020981. The next prime is 11202120021089. The reversal of 11202120021011 is 11012002120211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11202120021011 - 2¹⁸ = 11202119758867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11202120021611) 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, 49847840 + ... + 50072061.

It is an arithmetic number, because the mean of its divisors is an integer number (2800555013256).

Almost surely, 2^{11202120021011} is an apocalyptic number.

11202120021011 is a deficient number, since it is larger than the sum of its proper divisors (100032013).

11202120021011 is an equidigital number, since it uses as much as digits as its factorization.

11202120021011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100032012.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 11202120021011 its reverse (11012002120211), we get a palindrome (22214122141222).

The spelling of 11202120021011 in words is "eleven trillion, two hundred two billion, one hundred twenty million, twenty-one thousand, eleven".