2121301113200 has 60 divisors (see below), whose sum is σ = 5097206664888. Its totient is φ = 848390457600.

The previous prime is 2121301113167. The next prime is 2121301113251. The reversal of 2121301113200 is 23111031212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2229479 + ... + 3035321.

Almost surely, 2^{2121301113200} is an apocalyptic number.

2121301113200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2121301113200 is an abundant number, since it is smaller than the sum of its proper divisors (2975905551688).

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

2121301113200 is a wasteful number, since it uses less digits than its factorization.

2121301113200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 812442 (or 812431 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 2121301113200 its reverse (23111031212), we get a palindrome (2144412144412).

The spelling of 2121301113200 in words is "two trillion, one hundred twenty-one billion, three hundred one million, one hundred thirteen thousand, two hundred".