12222220111002 has 48 divisors (see below), whose sum is σ = 29854091379840. Its totient is φ = 3703703061960.

The previous prime is 12222220110983. The next prime is 12222220111033. The reversal of 12222220111002 is 20011102222221.

It is a happy number.

12222220111002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 935272018 + ... + 935285085.

It is an arithmetic number, because the mean of its divisors is an integer number (621960237080).

Almost surely, 2^{12222220111002} is an apocalyptic number.

12222220111002 is an abundant number, since it is smaller than the sum of its proper divisors (17631871268838).

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

12222220111002 is a wasteful number, since it uses less digits than its factorization.

12222220111002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1870557136 (or 1870557119 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 12222220111002 its reverse (20011102222221), we get a palindrome (32233322333223).

The spelling of 12222220111002 in words is "twelve trillion, two hundred twenty-two billion, two hundred twenty million, one hundred eleven thousand, two".