12221220011122 has 8 divisors (see below), whose sum is σ = 18333976878000. Its totient is φ = 6109894385124.

The previous prime is 12221220011087. The next prime is 12221220011149. The reversal of 12221220011122 is 22111002212221.

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

It is a self number, because there is not a number n which added to its sum of digits gives 12221220011122.

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, 357788872 + ... + 357823027.

It is an arithmetic number, because the mean of its divisors is an integer number (2291747109750).

Almost surely, 2^{12221220011122} is an apocalyptic number.

12221220011122 is a deficient number, since it is larger than the sum of its proper divisors (6112756866878).

12221220011122 is an equidigital number, since it uses as much as digits as its factorization.

12221220011122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715620440.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 12221220011122 its reverse (22111002212221), we get a palindrome (34332222223343).

The spelling of 12221220011122 in words is "twelve trillion, two hundred twenty-one billion, two hundred twenty million, eleven thousand, one hundred twenty-two".