11020111222011 has 16 divisors (see below), whose sum is σ = 14794218957600. Its totient is φ = 7296417393408.

The previous prime is 11020111221971. The next prime is 11020111222033. The reversal of 11020111222011 is 11022211102011.

It is a happy number.

It is not a de Polignac number, because 11020111222011 - 2⁶ = 11020111221947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11020111222111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4679746 + ... + 6628743.

It is an arithmetic number, because the mean of its divisors is an integer number (924638684850).

Almost surely, 2^{11020111222011} is an apocalyptic number.

11020111222011 is a deficient number, since it is larger than the sum of its proper divisors (3774107735589).

11020111222011 is a wasteful number, since it uses less digits than its factorization.

11020111222011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11310718.

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

Adding to 11020111222011 its reverse (11022211102011), we get a palindrome (22042322324022).

The spelling of 11020111222011 in words is "eleven trillion, twenty billion, one hundred eleven million, two hundred twenty-two thousand, eleven".