11121002021211 has 32 divisors (see below), whose sum is σ = 15907403635200. Its totient is φ = 6886320192000.

The previous prime is 11121002021189. The next prime is 11121002021249. The reversal of 11121002021211 is 11212020012111.

It is a happy number.

It is not a de Polignac number, because 11121002021211 - 2⁶ = 11121002021147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11121002021411) 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 31 ways as a sum of consecutive naturals, for example, 2589831 + ... + 5380448.

It is an arithmetic number, because the mean of its divisors is an integer number (497106363600).

Almost surely, 2^{11121002021211} is an apocalyptic number.

11121002021211 is a deficient number, since it is larger than the sum of its proper divisors (4786401613989).

11121002021211 is a wasteful number, since it uses less digits than its factorization.

11121002021211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7970659.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 11121002021211 its reverse (11212020012111), we get a palindrome (22333022033322).

The spelling of 11121002021211 in words is "eleven trillion, one hundred twenty-one billion, two million, twenty-one thousand, two hundred eleven".