1321000100233 has 8 divisors (see below), whose sum is σ = 1525861078560. Its totient is φ = 1130267465280.

The previous prime is 1321000100201. The next prime is 1321000100237. The reversal of 1321000100233 is 3320010001231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1321000100233 - 2⁵ = 1321000100201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1321000100237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3532085643 + ... + 3532086016.

It is an arithmetic number, because the mean of its divisors is an integer number (190732634820).

Almost surely, 2^{1321000100233} is an apocalyptic number.

It is an amenable number.

1321000100233 is a deficient number, since it is larger than the sum of its proper divisors (204860978327).

1321000100233 is a wasteful number, since it uses less digits than its factorization.

1321000100233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7064171687.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 1321000100233 its reverse (3320010001231), we get a palindrome (4641010101464).

The spelling of 1321000100233 in words is "one trillion, three hundred twenty-one billion, one hundred thousand, two hundred thirty-three".