1000200202100 has 144 divisors (see below), whose sum is σ = 2503553095680. Its totient is φ = 343019836800.

The previous prime is 1000200202093. The next prime is 1000200202103. The reversal of 1000200202100 is 12020020001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000200202103) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4553399 + ... + 4768001.

Almost surely, 2^{1000200202100} is an apocalyptic number.

1000200202100 is a gapful number since it is divisible by the number (10) 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 1000200202100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1251776547840).

1000200202100 is an abundant number, since it is smaller than the sum of its proper divisors (1503352893580).

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

1000200202100 is a wasteful number, since it uses less digits than its factorization.

1000200202100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214870 (or 214863 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 8.

Adding to 1000200202100 its reverse (12020020001), we get a palindrome (1012220222101).

The spelling of 1000200202100 in words is "one trillion, two hundred million, two hundred two thousand, one hundred".