2201210121200 has 30 divisors (see below), whose sum is σ = 5288407317144. Its totient is φ = 880484048320.

The previous prime is 2201210121197. The next prime is 2201210121211. The reversal of 2201210121200 is 21210121022.

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, 2751512252 + ... + 2751513051.

Almost surely, 2^{2201210121200} is an apocalyptic number.

2201210121200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2201210121200 is an abundant number, since it is smaller than the sum of its proper divisors (3087197195944).

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

2201210121200 is a wasteful number, since it uses less digits than its factorization.

2201210121200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5503025321 (or 5503025310 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2201210121200 its reverse (21210121022), we get a palindrome (2222420242222).

The spelling of 2201210121200 in words is "two trillion, two hundred one billion, two hundred ten million, one hundred twenty-one thousand, two hundred".