1322100403999 has 4 divisors (see below), whose sum is σ = 1364748804160. Its totient is φ = 1279452003840.

The previous prime is 1322100403993. The next prime is 1322100404041. The reversal of 1322100403999 is 9993040012231.

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

It is a cyclic number.

It is not a de Polignac number, because 1322100403999 - 2⁹ = 1322100403487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1322100403993) 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, 21324200034 + ... + 21324200095.

It is an arithmetic number, because the mean of its divisors is an integer number (341187201040).

Almost surely, 2^{1322100403999} is an apocalyptic number.

1322100403999 is a deficient number, since it is larger than the sum of its proper divisors (42648400161).

1322100403999 is an equidigital number, since it uses as much as digits as its factorization.

1322100403999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42648400160.

The product of its (nonzero) digits is 104976, while the sum is 43.

The spelling of 1322100403999 in words is "one trillion, three hundred twenty-two billion, one hundred million, four hundred three thousand, nine hundred ninety-nine".