1320021110019 has 8 divisors (see below), whose sum is σ = 1820718772560. Its totient is φ = 849668760416.

The previous prime is 1320021109993. The next prime is 1320021110033. The reversal of 1320021110019 is 9100111200231.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1320021110019 is a prime.

It is a super-2 number, since 2×1320021110019² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1320021109977 and 1320021110004.

It is not an unprimeable number, because it can be changed into a prime (1320021110039) 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, 7586328132 + ... + 7586328305.

It is an arithmetic number, because the mean of its divisors is an integer number (227589846570).

Almost surely, 2^{1320021110019} is an apocalyptic number.

1320021110019 is a deficient number, since it is larger than the sum of its proper divisors (500697662541).

1320021110019 is a wasteful number, since it uses less digits than its factorization.

1320021110019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15172656469.

The product of its (nonzero) digits is 108, while the sum is 21.

The spelling of 1320021110019 in words is "one trillion, three hundred twenty billion, twenty-one million, one hundred ten thousand, nineteen".