1002211203 has 16 divisors (see below), whose sum is σ = 1579841280. Its totient is φ = 552943776.

The previous prime is 1002211159. The next prime is 1002211211. The reversal of 1002211203 is 3021122001.

It is not a de Polignac number, because 1002211203 - 2¹⁴ = 1002194819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1002211213) 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 15 ways as a sum of consecutive naturals, for example, 822225 + ... + 823442.

It is an arithmetic number, because the mean of its divisors is an integer number (98740080).

Almost surely, 2^1002211203 is an apocalyptic number.

1002211203 is a deficient number, since it is larger than the sum of its proper divisors (577630077).

1002211203 is a wasteful number, since it uses less digits than its factorization.

1002211203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1645706.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1002211203 is about 31657.7194851430. The cubic root of 1002211203 is about 1000.7365250643.

Adding to 1002211203 its reverse (3021122001), we get a palindrome (4023333204).

The spelling of 1002211203 in words is "one billion, two million, two hundred eleven thousand, two hundred three".