1021332213 has 64 divisors (see below), whose sum is σ = 1747046400. Its totient is φ = 583200000.

The previous prime is 1021332203. The next prime is 1021332223. The reversal of 1021332213 is 3122331201.

It is an interprime number because it is at equal distance from previous prime (1021332203) and next prime (1021332223).

It is not a de Polignac number, because 1021332213 - 2⁶ = 1021332149 is a prime.

It is a super-2 number, since 2×1021332213² = 2086238978622954738, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021332203) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1359588 + ... + 1360338.

It is an arithmetic number, because the mean of its divisors is an integer number (27297600).

Almost surely, 2^1021332213 is an apocalyptic number.

It is an amenable number.

1021332213 is a deficient number, since it is larger than the sum of its proper divisors (725714187).

1021332213 is a wasteful number, since it uses less digits than its factorization.

1021332213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1031 (or 1025 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1021332213 is about 31958.2886431674. The cubic root of 1021332213 is about 1007.0607659146.

Adding to 1021332213 its reverse (3122331201), we get a palindrome (4143663414).

The spelling of 1021332213 in words is "one billion, twenty-one million, three hundred thirty-two thousand, two hundred thirteen".