11021201221110 has 32 divisors (see below), whose sum is σ = 26450993733120. Its totient is φ = 2938974680928.

The previous prime is 11021201221087. The next prime is 11021201221117. The reversal of 11021201221110 is 1112210212011.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 11021201221110.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11021201221117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8241429 + ... + 9484911.

It is an arithmetic number, because the mean of its divisors is an integer number (826593554160).

Almost surely, 2^{11021201221110} is an apocalyptic number.

11021201221110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11021201221110 is an abundant number, since it is smaller than the sum of its proper divisors (15429792512010).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11021201221110 is a wasteful number, since it uses less digits than its factorization.

11021201221110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1538932.

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

Adding to 11021201221110 its reverse (1112210212011), we get a palindrome (12133411433121).

The spelling of 11021201221110 in words is "eleven trillion, twenty-one billion, two hundred one million, two hundred twenty-one thousand, one hundred ten".