2211002001200 has 60 divisors (see below), whose sum is σ = 5483284993728. Its totient is φ = 855871737600.

The previous prime is 2211002001083. The next prime is 2211002001203. The reversal of 2211002001200 is 21002001122.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2211002001203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 89140907 + ... + 89165706.

Almost surely, 2^{2211002001200} is an apocalyptic number.

2211002001200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2211002001200 is an abundant number, since it is smaller than the sum of its proper divisors (3272282992528).

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

2211002001200 is a wasteful number, since it uses less digits than its factorization.

2211002001200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178306662 (or 178306651 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 2211002001200 its reverse (21002001122), we get a palindrome (2232004002322).

The spelling of 2211002001200 in words is "two trillion, two hundred eleven billion, two million, one thousand, two hundred".