1021002213 has 64 divisors (see below), whose sum is σ = 1765693440. Its totient is φ = 509414400.

The previous prime is 1021002193. The next prime is 1021002247. The reversal of 1021002213 is 3122001201.

It is not a de Polignac number, because 1021002213 - 2¹⁴ = 1020985829 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021002263) 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 63 ways as a sum of consecutive naturals, for example, 633753 + ... + 635361.

It is an arithmetic number, because the mean of its divisors is an integer number (27588960).

Almost surely, 2^1021002213 is an apocalyptic number.

It is an amenable number.

1021002213 is a deficient number, since it is larger than the sum of its proper divisors (744691227).

1021002213 is a wasteful number, since it uses less digits than its factorization.

1021002213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1738.

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

The square root of 1021002213 is about 31953.1252462103. The cubic root of 1021002213 is about 1006.9522913008.

Adding to 1021002213 its reverse (3122001201), we get a palindrome (4143003414).

The spelling of 1021002213 in words is "one billion, twenty-one million, two thousand, two hundred thirteen".