12220211011100 has 72 divisors (see below), whose sum is σ = 27331290612528. Its totient is φ = 4739605747200.

The previous prime is 12220211011061. The next prime is 12220211011117. The reversal of 12220211011100 is 111011202221.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 8474459 + ... + 9811058.

Almost surely, 2^{12220211011100} is an apocalyptic number.

12220211011100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12220211011100 is an abundant number, since it is smaller than the sum of its proper divisors (15111079601428).

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

12220211011100 is a wasteful number, since it uses less digits than its factorization.

12220211011100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18285735 (or 18285728 counting only the distinct ones).

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

Adding to 12220211011100 its reverse (111011202221), we get a palindrome (12331222213321).

The spelling of 12220211011100 in words is "twelve trillion, two hundred twenty billion, two hundred eleven million, eleven thousand, one hundred".