12222220111102 has 4 divisors (see below), whose sum is σ = 18333330166656. Its totient is φ = 6111110055550.

The previous prime is 12222220111061. The next prime is 12222220111103. The reversal of 12222220111102 is 20111102222221.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 12222220111102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12222220111103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3055555027774 + ... + 3055555027777.

It is an arithmetic number, because the mean of its divisors is an integer number (4583332541664).

Almost surely, 2^{12222220111102} is an apocalyptic number.

12222220111102 is a deficient number, since it is larger than the sum of its proper divisors (6111110055554).

12222220111102 is an equidigital number, since it uses as much as digits as its factorization.

12222220111102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6111110055553.

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

Adding to 12222220111102 its reverse (20111102222221), we get a palindrome (32333322333323).

The spelling of 12222220111102 in words is "twelve trillion, two hundred twenty-two billion, two hundred twenty million, one hundred eleven thousand, one hundred two".