11021122220222 has 4 divisors (see below), whose sum is σ = 16531683330336. Its totient is φ = 5510561110110.

The previous prime is 11021122220209. The next prime is 11021122220321. The reversal of 11021122220222 is 22202222112011.

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

It is a super-2 number, since 2×11021122220222² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11021122220194 and 11021122220203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2755280555054 + ... + 2755280555057.

It is an arithmetic number, because the mean of its divisors is an integer number (4132920832584).

Almost surely, 2^{11021122220222} is an apocalyptic number.

11021122220222 is a deficient number, since it is larger than the sum of its proper divisors (5510561110114).

11021122220222 is an equidigital number, since it uses as much as digits as its factorization.

11021122220222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5510561110113.

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

Adding to 11021122220222 its reverse (22202222112011), we get a palindrome (33223344332233).

The spelling of 11021122220222 in words is "eleven trillion, twenty-one billion, one hundred twenty-two million, two hundred twenty thousand, two hundred twenty-two".