1011013221330 has 96 divisors (see below), whose sum is σ = 3012208303104. Its totient is φ = 230469141888.

The previous prime is 1011013221319. The next prime is 1011013221367. The reversal of 1011013221330 is 331223101101.

1011013221330 is a `hidden beast` number, since 1 + 0 + 1 + 10 + 1 + 322 + 1 + 330 = 666.

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

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1916194 + ... + 2386173.

It is an arithmetic number, because the mean of its divisors is an integer number (31377169824).

Almost surely, 2^{1011013221330} is an apocalyptic number.

1011013221330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1011013221330 is an abundant number, since it is smaller than the sum of its proper divisors (2001195081774).

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

1011013221330 is a wasteful number, since it uses less digits than its factorization.

1011013221330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4302760 (or 4302757 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 1011013221330 its reverse (331223101101), we get a palindrome (1342236322431).

The spelling of 1011013221330 in words is "one trillion, eleven billion, thirteen million, two hundred twenty-one thousand, three hundred thirty".