11122121110222 has 4 divisors (see below), whose sum is σ = 16683181665336. Its totient is φ = 5561060555110.

The previous prime is 11122121110189. The next prime is 11122121110237. The reversal of 11122121110222 is 22201112122111.

It is a happy number.

11122121110222 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 self number, because there is not a number n which added to its sum of digits gives 11122121110222.

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, 2780530277554 + ... + 2780530277557.

It is an arithmetic number, because the mean of its divisors is an integer number (4170795416334).

Almost surely, 2^{11122121110222} is an apocalyptic number.

11122121110222 is a deficient number, since it is larger than the sum of its proper divisors (5561060555114).

11122121110222 is an equidigital number, since it uses as much as digits as its factorization.

11122121110222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5561060555113.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 11122121110222 its reverse (22201112122111), we get a palindrome (33323233232333).

The spelling of 11122121110222 in words is "eleven trillion, one hundred twenty-two billion, one hundred twenty-one million, one hundred ten thousand, two hundred twenty-two".