12212221021102 has 8 divisors (see below), whose sum is σ = 18318777888312. Its totient is φ = 6105961725000.

The previous prime is 12212221021093. The next prime is 12212221021109. The reversal of 12212221021102 is 20112012221221.

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 12212221021102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12212221021109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74290149 + ... + 74454352.

It is an arithmetic number, because the mean of its divisors is an integer number (2289847236039).

Almost surely, 2^{12212221021102} is an apocalyptic number.

12212221021102 is a deficient number, since it is larger than the sum of its proper divisors (6106556867210).

12212221021102 is a wasteful number, since it uses less digits than its factorization.

12212221021102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148785554.

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

Adding to 12212221021102 its reverse (20112012221221), we get a palindrome (32324233242323).

The spelling of 12212221021102 in words is "twelve trillion, two hundred twelve billion, two hundred twenty-one million, twenty-one thousand, one hundred two".