12221111020022 has 16 divisors (see below), whose sum is σ = 18340886436912. Its totient is φ = 6107482913280.

The previous prime is 12221111020007. The next prime is 12221111020073. The reversal of 12221111020022 is 22002011112221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35365178 + ... + 35709074.

It is an arithmetic number, because the mean of its divisors is an integer number (1146305402307).

Almost surely, 2^{12221111020022} is an apocalyptic number.

12221111020022 is a deficient number, since it is larger than the sum of its proper divisors (6119775416890).

12221111020022 is a wasteful number, since it uses less digits than its factorization.

12221111020022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352783.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12221111020022 its reverse (22002011112221), we get a palindrome (34223122132243).

The spelling of 12221111020022 in words is "twelve trillion, two hundred twenty-one billion, one hundred eleven million, twenty thousand, twenty-two".