12213221111102 has 12 divisors (see below), whose sum is σ = 20136674476968. Its totient is φ = 5551464141300.

The previous prime is 12213221110967. The next prime is 12213221111129. The reversal of 12213221111102 is 20111112231221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25233927674 + ... + 25233928157.

It is an arithmetic number, because the mean of its divisors is an integer number (1678056206414).

Almost surely, 2^{12213221111102} is an apocalyptic number.

12213221111102 is a deficient number, since it is larger than the sum of its proper divisors (7923453365866).

12213221111102 is a wasteful number, since it uses less digits than its factorization.

12213221111102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50467855855 (or 50467855844 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 20.

Adding to 12213221111102 its reverse (20111112231221), we get a palindrome (32324333342323).

The spelling of 12213221111102 in words is "twelve trillion, two hundred thirteen billion, two hundred twenty-one million, one hundred eleven thousand, one hundred two".