11021331330 has 48 divisors (see below), whose sum is σ = 30163648320. Its totient is φ = 2784335904.

The previous prime is 11021331329. The next prime is 11021331331. The reversal of 11021331330 is 3313312011.

It is a happy number.

11021331330 is a `hidden beast` number, since 1 + 1 + 0 + 2 + 1 + 331 + 330 = 666.

It is an interprime number because it is at equal distance from previous prime (11021331329) and next prime (11021331331).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (11021331331) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3220902 + ... + 3224321.

It is an arithmetic number, because the mean of its divisors is an integer number (628409340).

Almost surely, 2^11021331330 is an apocalyptic number.

11021331330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11021331330 is an abundant number, since it is smaller than the sum of its proper divisors (19142316990).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11021331330 is a wasteful number, since it uses less digits than its factorization.

11021331330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6445255 (or 6445252 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 11021331330 its reverse (3313312011), we get a palindrome (14334643341).

The spelling of 11021331330 in words is "eleven billion, twenty-one million, three hundred thirty-one thousand, three hundred thirty".