1320002110021 has 8 divisors (see below), whose sum is σ = 1534142888640. Its totient is φ = 1112253593568.

The previous prime is 1320002110013. The next prime is 1320002110057. The reversal of 1320002110021 is 1200112000231.

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 1320002110021 - 2³ = 1320002110013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1320002109983 and 1320002110010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320002110421) 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 7 ways as a sum of consecutive naturals, for example, 1598065096 + ... + 1598065921.

It is an arithmetic number, because the mean of its divisors is an integer number (191767861080).

Almost surely, 2^{1320002110021} is an apocalyptic number.

It is an amenable number.

1320002110021 is a deficient number, since it is larger than the sum of its proper divisors (214140778619).

1320002110021 is an equidigital number, since it uses as much as digits as its factorization.

1320002110021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3196131083.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 1320002110021 its reverse (1200112000231), we get a palindrome (2520114110252).

The spelling of 1320002110021 in words is "one trillion, three hundred twenty billion, two million, one hundred ten thousand, twenty-one".