11021222201222 has 4 divisors (see below), whose sum is σ = 16531833301836. Its totient is φ = 5510611100610.

The previous prime is 11021222201221. The next prime is 11021222201243. The reversal of 11021222201222 is 22210222212011.

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 = 11021222201194 and 11021222201203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11021222201221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2755305550304 + ... + 2755305550307.

It is an arithmetic number, because the mean of its divisors is an integer number (4132958325459).

Almost surely, 2^{11021222201222} is an apocalyptic number.

11021222201222 is a deficient number, since it is larger than the sum of its proper divisors (5510611100614).

11021222201222 is an equidigital number, since it uses as much as digits as its factorization.

11021222201222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5510611100613.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 11021222201222 its reverse (22210222212011), we get a palindrome (33231444413233).

The spelling of 11021222201222 in words is "eleven trillion, twenty-one billion, two hundred twenty-two million, two hundred one thousand, two hundred twenty-two".