12202121221100 has 18 divisors (see below), whose sum is σ = 26478603050004. Its totient is φ = 4880848488400.

The previous prime is 12202121221067. The next prime is 12202121221117. The reversal of 12202121221100 is 112212120221.

12202121221100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 61010606006 + ... + 61010606205.

It is an arithmetic number, because the mean of its divisors is an integer number (1471033502778).

Almost surely, 2^{12202121221100} is an apocalyptic number.

12202121221100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12202121221100 is an abundant number, since it is smaller than the sum of its proper divisors (14276481828904).

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

12202121221100 is a wasteful number, since it uses less digits than its factorization.

12202121221100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122021212225 (or 122021212218 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12202121221100 its reverse (112212120221), we get a palindrome (12314333341321).

The spelling of 12202121221100 in words is "twelve trillion, two hundred two billion, one hundred twenty-one million, two hundred twenty-one thousand, one hundred".