1320222120113 has 8 divisors (see below), whose sum is σ = 1421787017448. Its totient is φ = 1218658558464.

The previous prime is 1320222120103. The next prime is 1320222120131. The reversal of 1320222120113 is 3110212220231.

It can be written as a sum of positive squares in 4 ways, for example, as 157174188304 + 1163047931809 = 396452^2 + 1078447^2 .

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 1320222120113 - 2¹⁶ = 1320222054577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1320222120103) 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, 2827745 + ... + 3261377.

It is an arithmetic number, because the mean of its divisors is an integer number (177723377181).

Almost surely, 2^{1320222120113} is an apocalyptic number.

1320222120113 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1320222120113 is a deficient number, since it is larger than the sum of its proper divisors (101564897335).

1320222120113 is a wasteful number, since it uses less digits than its factorization.

1320222120113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667843.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1320222120113 its reverse (3110212220231), we get a palindrome (4430434340344).

The spelling of 1320222120113 in words is "one trillion, three hundred twenty billion, two hundred twenty-two million, one hundred twenty thousand, one hundred thirteen".