1340002115221 has 8 divisors (see below), whose sum is σ = 1670651987904. Its totient is φ = 1044157492320.

The previous prime is 1340002115219. The next prime is 1340002115233. The reversal of 1340002115221 is 1225112000431.

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 1340002115221 - 2¹ = 1340002115219 is a prime.

It is a super-3 number, since 3×1340002115221³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1340002115192 and 1340002115201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340002115321) 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, 8701312360 + ... + 8701312513.

It is an arithmetic number, because the mean of its divisors is an integer number (208831498488).

Almost surely, 2^{1340002115221} is an apocalyptic number.

1340002115221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1340002115221 is a deficient number, since it is larger than the sum of its proper divisors (330649872683).

1340002115221 is a wasteful number, since it uses less digits than its factorization.

1340002115221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17402624891.

The product of its (nonzero) digits is 480, while the sum is 22.

Adding to 1340002115221 its reverse (1225112000431), we get a palindrome (2565114115652).

The spelling of 1340002115221 in words is "one trillion, three hundred forty billion, two million, one hundred fifteen thousand, two hundred twenty-one".