11122220011 has 8 divisors (see below), whose sum is σ = 12713878784. Its totient is φ = 9531253800.

The previous prime is 11122219991. The next prime is 11122220027. The reversal of 11122220011 is 11002222111.

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 11122220011 - 2¹¹ = 11122217963 is a prime.

It is a Duffinian number.

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 11122219973 and 11122220000.

It is not an unprimeable number, because it can be changed into a prime (11122220411) 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 7 ways as a sum of consecutive naturals, for example, 138255 + ... + 203368.

It is an arithmetic number, because the mean of its divisors is an integer number (1589234848).

Almost surely, 2^11122220011 is an apocalyptic number.

11122220011 is a deficient number, since it is larger than the sum of its proper divisors (1591658773).

11122220011 is an equidigital number, since it uses as much as digits as its factorization.

11122220011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346281.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 11122220011 its reverse (11002222111), we get a palindrome (22124442122).

The spelling of 11122220011 in words is "eleven billion, one hundred twenty-two million, two hundred twenty thousand, eleven".