1000200010221 has 16 divisors (see below), whose sum is σ = 1482469974720. Its totient is φ = 666488525040.

The previous prime is 1000200010171. The next prime is 1000200010231. The reversal of 1000200010221 is 1220100020001.

It is not a de Polignac number, because 1000200010221 - 2¹⁵ = 1000199977453 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000200010231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8593395 + ... + 8709008.

It is an arithmetic number, because the mean of its divisors is an integer number (92654373420).

Almost surely, 2^{1000200010221} is an apocalyptic number.

It is an amenable number.

1000200010221 is a deficient number, since it is larger than the sum of its proper divisors (482269964499).

1000200010221 is a wasteful number, since it uses less digits than its factorization.

1000200010221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17304553 (or 17304547 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 1000200010221 its reverse (1220100020001), we get a palindrome (2220300030222).

The spelling of 1000200010221 in words is "one trillion, two hundred million, ten thousand, two hundred twenty-one".