11213122220011 has 16 divisors (see below), whose sum is σ = 11807576076960. Its totient is φ = 10619098237440.

The previous prime is 11213122219993. The next prime is 11213122220023. The reversal of 11213122220011 is 11002222131211.

It is a cyclic number.

It is not a de Polignac number, because 11213122220011 - 2¹⁷ = 11213122088939 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11213122220051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1040076441 + ... + 1040087221.

It is an arithmetic number, because the mean of its divisors is an integer number (737973504810).

Almost surely, 2^{11213122220011} is an apocalyptic number.

11213122220011 is a deficient number, since it is larger than the sum of its proper divisors (594453856949).

11213122220011 is a wasteful number, since it uses less digits than its factorization.

11213122220011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25614.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 11213122220011 its reverse (11002222131211), we get a palindrome (22215344351222).

The spelling of 11213122220011 in words is "eleven trillion, two hundred thirteen billion, one hundred twenty-two million, two hundred twenty thousand, eleven".