11012221220222 has 16 divisors (see below), whose sum is σ = 17420963861760. Its totient is φ = 5206341471192.

The previous prime is 11012221220171. The next prime is 11012221220257. The reversal of 11012221220222 is 22202212221011.

It is a junction number, because it is equal to n+sod(n) for n = 11012221220194 and 11012221220203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 277031078 + ... + 277070825.

It is an arithmetic number, because the mean of its divisors is an integer number (1088810241360).

Almost surely, 2^{11012221220222} is an apocalyptic number.

11012221220222 is a deficient number, since it is larger than the sum of its proper divisors (6408742641538).

11012221220222 is a wasteful number, since it uses less digits than its factorization.

11012221220222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554102447.

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

Adding to 11012221220222 its reverse (22202212221011), we get a palindrome (33214433441233).

The spelling of 11012221220222 in words is "eleven trillion, twelve billion, two hundred twenty-one million, two hundred twenty thousand, two hundred twenty-two".