1330021011 has 32 divisors (see below), whose sum is σ = 1992499200. Its totient is φ = 782290080.

The previous prime is 1330021009. The next prime is 1330021013. The reversal of 1330021011 is 1101200331.

It is an interprime number because it is at equal distance from previous prime (1330021009) and next prime (1330021013).

It is not a de Polignac number, because 1330021011 - 2¹ = 1330021009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1330021013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 149490 + ... + 158136.

It is an arithmetic number, because the mean of its divisors is an integer number (62265600).

Almost surely, 2^1330021011 is an apocalyptic number.

1330021011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1330021011 is a deficient number, since it is larger than the sum of its proper divisors (662478189).

1330021011 is a wasteful number, since it uses less digits than its factorization.

1330021011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8799.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 1330021011 is about 36469.4531217566. The cubic root of 1330021011 is about 1099.7302399110.

Adding to 1330021011 its reverse (1101200331), we get a palindrome (2431221342).

The spelling of 1330021011 in words is "one billion, three hundred thirty million, twenty-one thousand, eleven".