2011021012200 has 48 divisors (see below), whose sum is σ = 6234165139680. Its totient is φ = 536272269760.

The previous prime is 2011021012183. The next prime is 2011021012207. The reversal of 2011021012200 is 22101201102.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (2011021012207) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1675850244 + ... + 1675851443.

It is an arithmetic number, because the mean of its divisors is an integer number (129878440410).

Almost surely, 2^{2011021012200} is an apocalyptic number.

2011021012200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2011021012200 is an abundant number, since it is smaller than the sum of its proper divisors (4223144127480).

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

2011021012200 is a wasteful number, since it uses less digits than its factorization.

2011021012200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3351701706 (or 3351701697 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 2011021012200 its reverse (22101201102), we get a palindrome (2033122213302).

The spelling of 2011021012200 in words is "two trillion, eleven billion, twenty-one million, twelve thousand, two hundred".