1000030220321 has 16 divisors (see below), whose sum is σ = 1093461078528. Its totient is φ = 907020566400.

The previous prime is 1000030220317. The next prime is 1000030220323. The reversal of 1000030220321 is 1230220300001.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1000030220321 - 2² = 1000030220317 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1000030220296 and 1000030220305.

It is not an unprimeable number, because it can be changed into a prime (1000030220323) 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 15 ways as a sum of consecutive naturals, for example, 15309296 + ... + 15374478.

It is an arithmetic number, because the mean of its divisors is an integer number (68341317408).

Almost surely, 2^{1000030220321} is an apocalyptic number.

1000030220321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1000030220321 is a deficient number, since it is larger than the sum of its proper divisors (93430858207).

1000030220321 is a wasteful number, since it uses less digits than its factorization.

1000030220321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68392.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 1000030220321 its reverse (1230220300001), we get a palindrome (2230250520322).

The spelling of 1000030220321 in words is "one trillion, thirty million, two hundred twenty thousand, three hundred twenty-one".