1021213330 has 32 divisors (see below), whose sum is σ = 1963834560. Its totient is φ = 381205440.

The previous prime is 1021213313. The next prime is 1021213331. The reversal of 1021213330 is 333121201.

It is not an unprimeable number, because it can be changed into a prime (1021213331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27381 + ... + 52840.

It is an arithmetic number, because the mean of its divisors is an integer number (61369830).

Almost surely, 2^1021213330 is an apocalyptic number.

1021213330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1021213330 is a deficient number, since it is larger than the sum of its proper divisors (942621230).

1021213330 is a wasteful number, since it uses less digits than its factorization.

1021213330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80314.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 1021213330 is about 31956.4286177289. The cubic root of 1021213330 is about 1007.0216904636.

Adding to 1021213330 its reverse (333121201), we get a palindrome (1354334531).

The spelling of 1021213330 in words is "one billion, twenty-one million, two hundred thirteen thousand, three hundred thirty".