1343020121011 has 8 divisors (see below), whose sum is σ = 1363141454480. Its totient is φ = 1322901030528.

The previous prime is 1343020120963. The next prime is 1343020121029. The reversal of 1343020121011 is 1101210203431.

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 1343020121011 - 2⁹ = 1343020120499 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1343020121011.

It is not an unprimeable number, because it can be changed into a prime (1343020121711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 665695 + ... + 1768951.

It is an arithmetic number, because the mean of its divisors is an integer number (170392681810).

Almost surely, 2^{1343020121011} is an apocalyptic number.

1343020121011 is a deficient number, since it is larger than the sum of its proper divisors (20121333469).

1343020121011 is a wasteful number, since it uses less digits than its factorization.

1343020121011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1121493.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 1343020121011 its reverse (1101210203431), we get a palindrome (2444230324442).

The spelling of 1343020121011 in words is "one trillion, three hundred forty-three billion, twenty million, one hundred twenty-one thousand, eleven".