1003210101 has 12 divisors (see below), whose sum is σ = 1450476300. Its totient is φ = 668162880.

The previous prime is 1003210097. The next prime is 1003210133. The reversal of 1003210101 is 1010123001.

It can be written as a sum of positive squares in 2 ways, for example, as 350663076 + 652547025 = 18726^2 + 25545^2 .

It is not a de Polignac number, because 1003210101 - 2² = 1003210097 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 (1003210141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43690 + ... + 62571.

It is an arithmetic number, because the mean of its divisors is an integer number (120873025).

Almost surely, 2^1003210101 is an apocalyptic number.

It is an amenable number.

1003210101 is a deficient number, since it is larger than the sum of its proper divisors (447266199).

1003210101 is a wasteful number, since it uses less digits than its factorization.

1003210101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107316 (or 107313 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

The square root of 1003210101 is about 31673.4920872328. The cubic root of 1003210101 is about 1001.0688907322.

Adding to 1003210101 its reverse (1010123001), we get a palindrome (2013333102).

The spelling of 1003210101 in words is "one billion, three million, two hundred ten thousand, one hundred one".