122221221000222 has 8 divisors (see below), whose sum is σ = 244442442000456. Its totient is φ = 40740407000072.

The previous prime is 122221221000211. The next prime is 122221221000239. The reversal of 122221221000222 is 222000122122221.

122221221000222 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

122221221000222 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10185101750013 + ... + 10185101750024.

It is an arithmetic number, because the mean of its divisors is an integer number (30555305250057).

Almost surely, 2^{122221221000222} is an apocalyptic number.

122221221000222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122221221000222 is a wasteful number, since it uses less digits than its factorization.

122221221000222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20370203500042.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 122221221000222 its reverse (222000122122221), we get a palindrome (344221343122443).

The spelling of 122221221000222 in words is "one hundred twenty-two trillion, two hundred twenty-one billion, two hundred twenty-one million, two hundred twenty-two", and thus it is an aban number.