11021220022 has 4 divisors (see below), whose sum is σ = 16531830036. Its totient is φ = 5510610010.

The previous prime is 11021219999. The next prime is 11021220121. The reversal of 11021220022 is 22002212011.

It is a happy number.

11021220022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 11021219984 and 11021220011.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2755305004 + ... + 2755305007.

It is an arithmetic number, because the mean of its divisors is an integer number (4132957509).

Almost surely, 2^11021220022 is an apocalyptic number.

11021220022 is a deficient number, since it is larger than the sum of its proper divisors (5510610014).

11021220022 is an equidigital number, since it uses as much as digits as its factorization.

11021220022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5510610013.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 11021220022 its reverse (22002212011), we get a palindrome (33023432033).

The spelling of 11021220022 in words is "eleven billion, twenty-one million, two hundred twenty thousand, twenty-two".