12220001221110 has 32 divisors (see below), whose sum is σ = 29439516268800. Its totient is φ = 3246276621408.

The previous prime is 12220001221093. The next prime is 12220001221121. The reversal of 12220001221110 is 1112210002221.

It is a super-2 number, since 2×12220001221110² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12220001221110.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 774390160 + ... + 774405939.

It is an arithmetic number, because the mean of its divisors is an integer number (919984883400).

Almost surely, 2^{12220001221110} is an apocalyptic number.

12220001221110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12220001221110 is an abundant number, since it is smaller than the sum of its proper divisors (17219515047690).

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

12220001221110 is a wasteful number, since it uses less digits than its factorization.

12220001221110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1548796372.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12220001221110 its reverse (1112210002221), we get a palindrome (13332211223331).

The spelling of 12220001221110 in words is "twelve trillion, two hundred twenty billion, one million, two hundred twenty-one thousand, one hundred ten".