1321101346516 has 12 divisors (see below), whose sum is σ = 2642202693088. Its totient is φ = 566186291352.

The previous prime is 1321101346463. The next prime is 1321101346531. The reversal of 1321101346516 is 6156431011231.

1321101346516 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23591095446 + ... + 23591095501.

Almost surely, 2^{1321101346516} is an apocalyptic number.

It is an amenable number.

1321101346516 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1321101346516 is a wasteful number, since it uses less digits than its factorization.

1321101346516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47182190958 (or 47182190956 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 34.

Adding to 1321101346516 its reverse (6156431011231), we get a palindrome (7477532357747).

The spelling of 1321101346516 in words is "one trillion, three hundred twenty-one billion, one hundred one million, three hundred forty-six thousand, five hundred sixteen".