12221111001002 has 32 divisors (see below), whose sum is σ = 18692985185280. Its totient is φ = 5991042633840.

The previous prime is 12221111000981. The next prime is 12221111001019. The reversal of 12221111001002 is 20010011112221.

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, 23946413 + ... + 24451439.

It is an arithmetic number, because the mean of its divisors is an integer number (584155787040).

Almost surely, 2^{12221111001002} is an apocalyptic number.

12221111001002 is a deficient number, since it is larger than the sum of its proper divisors (6471874184278).

12221111001002 is a wasteful number, since it uses less digits than its factorization.

12221111001002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505946.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12221111001002 its reverse (20010011112221), we get a palindrome (32231122113223).

The spelling of 12221111001002 in words is "twelve trillion, two hundred twenty-one billion, one hundred eleven million, one thousand, two".