2001222000200 has 24 divisors (see below), whose sum is σ = 4652841150930. Its totient is φ = 800488800000.

The previous prime is 2001222000181. The next prime is 2001222000251. The reversal of 2001222000200 is 20002221002.

It can be written as a sum of positive squares in 3 ways, for example, as 1552780163236 + 448441836964 = 1246106^2 + 669658^2 .

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, 5003054801 + ... + 5003055200.

Almost surely, 2^{2001222000200} is an apocalyptic number.

2001222000200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2001222000200 is an abundant number, since it is smaller than the sum of its proper divisors (2651619150730).

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

2001222000200 is a wasteful number, since it uses less digits than its factorization.

2001222000200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10006110017 (or 10006110008 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

Adding to 2001222000200 its reverse (20002221002), we get a palindrome (2021224221202).

The spelling of 2001222000200 in words is "two trillion, one billion, two hundred twenty-two million, two hundred", and thus it is an aban number.