2011021212200 has 288 divisors, whose sum is σ = 6312262685760. Its totient is φ = 578594764800.

The previous prime is 2011021212133. The next prime is 2011021212251. The reversal of 2011021212200 is 22121201102.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

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 71 ways as a sum of consecutive naturals, for example, 2216252 + ... + 2988948.

It is an arithmetic number, because the mean of its divisors is an integer number (21917578770).

Almost surely, 2^{2011021212200} is an apocalyptic number.

2011021212200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2011021212200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3156131342880).

2011021212200 is an abundant number, since it is smaller than the sum of its proper divisors (4301241473560).

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

2011021212200 is a wasteful number, since it uses less digits than its factorization.

2011021212200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 772757 (or 772735 counting only the distinct ones).

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

Adding to 2011021212200 its reverse (22121201102), we get a palindrome (2033142413302).

The spelling of 2011021212200 in words is "two trillion, eleven billion, twenty-one million, two hundred twelve thousand, two hundred".