2210001012200 has 24 divisors (see below), whose sum is σ = 5138252353830. Its totient is φ = 884000404800.

The previous prime is 2210001012103. The next prime is 2210001012209. The reversal of 2210001012200 is 22101000122.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 2165624219236 + 44376792964 = 1471606^2 + 210658^2 .

It is not an unprimeable number, because it can be changed into a prime (2210001012209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5525002331 + ... + 5525002730.

Almost surely, 2^{2210001012200} is an apocalyptic number.

2210001012200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2210001012200 is an abundant number, since it is smaller than the sum of its proper divisors (2928251341630).

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

2210001012200 is a wasteful number, since it uses less digits than its factorization.

2210001012200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11050005077 (or 11050005068 counting only the distinct ones).

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

Adding to 2210001012200 its reverse (22101000122), we get a palindrome (2232102012322).

The spelling of 2210001012200 in words is "two trillion, two hundred ten billion, one million, twelve thousand, two hundred".