12221111102000 has 80 divisors (see below), whose sum is σ = 29727597436992. Its totient is φ = 4859172185600.

The previous prime is 12221111101993. The next prime is 12221111102023. The reversal of 12221111102000 is 20111112221.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17961077 + ... + 18629076.

Almost surely, 2^{12221111102000} is an apocalyptic number.

12221111102000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12221111102000 is an abundant number, since it is smaller than the sum of its proper divisors (17506486334992).

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

12221111102000 is a wasteful number, since it uses less digits than its factorization.

12221111102000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36590343 (or 36590327 counting only the distinct ones).

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

Adding to 12221111102000 its reverse (20111112221), we get a palindrome (12241222214221).

The spelling of 12221111102000 in words is "twelve trillion, two hundred twenty-one billion, one hundred eleven million, one hundred two thousand".