11222222120011 has 8 divisors (see below), whose sum is σ = 12846183418080. Its totient is φ = 9603457499328.

The previous prime is 11222222119973. The next prime is 11222222120029. The reversal of 11222222120011 is 11002122222211.

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

It is not a de Polignac number, because 11222222120011 - 2¹⁹ = 11222221595723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11222222120041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1299164716 + ... + 1299173353.

It is an arithmetic number, because the mean of its divisors is an integer number (1605772927260).

Almost surely, 2^{11222222120011} is an apocalyptic number.

11222222120011 is a deficient number, since it is larger than the sum of its proper divisors (1623961298069).

11222222120011 is an equidigital number, since it uses as much as digits as its factorization.

11222222120011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2598338693.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 11222222120011 its reverse (11002122222211), we get a palindrome (22224344342222).

The spelling of 11222222120011 in words is "eleven trillion, two hundred twenty-two billion, two hundred twenty-two million, one hundred twenty thousand, eleven".