1021133213 has 8 divisors (see below), whose sum is σ = 1033697280. Its totient is φ = 1008640080.

The previous prime is 1021133189. The next prime is 1021133221. The reversal of 1021133213 is 3123311201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1021133213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1021133191 and 1021133200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021133263) 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 7 ways as a sum of consecutive naturals, for example, 11528 + ... + 46638.

It is an arithmetic number, because the mean of its divisors is an integer number (129212160).

Almost surely, 2^1021133213 is an apocalyptic number.

It is an amenable number.

1021133213 is a deficient number, since it is larger than the sum of its proper divisors (12564067).

1021133213 is a wasteful number, since it uses less digits than its factorization.

1021133213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35467.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 1021133213 is about 31955.1750581968. The cubic root of 1021133213 is about 1006.9953552326.

Adding to 1021133213 its reverse (3123311201), we get a palindrome (4144444414).

The spelling of 1021133213 in words is "one billion, twenty-one million, one hundred thirty-three thousand, two hundred thirteen".