1040000220321 has 4 divisors (see below), whose sum is σ = 1386666960432. Its totient is φ = 693333480212.

The previous prime is 1040000220307. The next prime is 1040000220379. The reversal of 1040000220321 is 1230220000401.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1040000220321 - 2²³ = 1039991831713 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1040000220321.

It is not an unprimeable number, because it can be changed into a prime (1040000220421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173333370051 + ... + 173333370056.

It is an arithmetic number, because the mean of its divisors is an integer number (346666740108).

Almost surely, 2^{1040000220321} is an apocalyptic number.

It is an amenable number.

1040000220321 is a deficient number, since it is larger than the sum of its proper divisors (346666740111).

1040000220321 is an equidigital number, since it uses as much as digits as its factorization.

1040000220321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346666740110.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 1040000220321 its reverse (1230220000401), we get a palindrome (2270220220722).

The spelling of 1040000220321 in words is "one trillion, forty billion, two hundred twenty thousand, three hundred twenty-one".