11022222212011 has 8 divisors (see below), whose sum is σ = 11257890338880. Its totient is φ = 10786602116928.

The previous prime is 11022222212009. The next prime is 11022222212017. The reversal of 11022222212011 is 11021222222011.

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 11022222212011 - 2¹ = 11022222212009 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11022222212011.

It is not an unprimeable number, because it can be changed into a prime (11022222212017) 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, 11543896 + ... + 12462181.

It is an arithmetic number, because the mean of its divisors is an integer number (1407236292360).

Almost surely, 2^{11022222212011} is an apocalyptic number.

11022222212011 is a deficient number, since it is larger than the sum of its proper divisors (235668126869).

11022222212011 is an equidigital number, since it uses as much as digits as its factorization.

11022222212011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24015893.

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

Adding to 11022222212011 its reverse (11021222222011), we get a palindrome (22043444434022).

The spelling of 11022222212011 in words is "eleven trillion, twenty-two billion, two hundred twenty-two million, two hundred twelve thousand, eleven".