1122000020321 has 4 divisors (see below), whose sum is σ = 1122006826500. Its totient is φ = 1121993214144.

The previous prime is 1122000020311. The next prime is 1122000020329. The reversal of 1122000020321 is 1230200002211.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 176757180625 + 945242839696 = 420425^2 + 972236^2 .

It is a cyclic number.

It is not a de Polignac number, because 1122000020321 - 2⁶ = 1122000020257 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1122000020296 and 1122000020305.

It is not an unprimeable number, because it can be changed into a prime (1122000020329) 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, 3149516 + ... + 3487613.

It is an arithmetic number, because the mean of its divisors is an integer number (280501706625).

Almost surely, 2^{1122000020321} is an apocalyptic number.

It is an amenable number.

1122000020321 is a deficient number, since it is larger than the sum of its proper divisors (6806179).

1122000020321 is an equidigital number, since it uses as much as digits as its factorization.

1122000020321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6806178.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 1122000020321 its reverse (1230200002211), we get a palindrome (2352200022532).

The spelling of 1122000020321 in words is "one trillion, one hundred twenty-two billion, twenty thousand, three hundred twenty-one".