11121312220222 has 4 divisors (see below), whose sum is σ = 16681968330336. Its totient is φ = 5560656110110.

The previous prime is 11121312220219. The next prime is 11121312220289. The reversal of 11121312220222 is 22202221312111.

11121312220222 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 = 11121312220193 and 11121312220202.

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, 2780328055054 + ... + 2780328055057.

It is an arithmetic number, because the mean of its divisors is an integer number (4170492082584).

Almost surely, 2^{11121312220222} is an apocalyptic number.

11121312220222 is a deficient number, since it is larger than the sum of its proper divisors (5560656110114).

11121312220222 is an equidigital number, since it uses as much as digits as its factorization.

11121312220222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5560656110113.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 11121312220222 its reverse (22202221312111), we get a palindrome (33323533532333).

The spelling of 11121312220222 in words is "eleven trillion, one hundred twenty-one billion, three hundred twelve million, two hundred twenty thousand, two hundred twenty-two".