1316241015221 has 16 divisors (see below), whose sum is σ = 1522892492928. Its totient is φ = 1125794155200.

The previous prime is 1316241015179. The next prime is 1316241015253. The reversal of 1316241015221 is 1225101426131.

It is a happy number.

It is not a de Polignac number, because 1316241015221 - 2³⁰ = 1315167273397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1316241015521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42628286 + ... + 42659151.

It is an arithmetic number, because the mean of its divisors is an integer number (95180780808).

Almost surely, 2^{1316241015221} is an apocalyptic number.

1316241015221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1316241015221 is a deficient number, since it is larger than the sum of its proper divisors (206651477707).

1316241015221 is a wasteful number, since it uses less digits than its factorization.

1316241015221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85287532.

The product of its (nonzero) digits is 2880, while the sum is 29.

The spelling of 1316241015221 in words is "one trillion, three hundred sixteen billion, two hundred forty-one million, fifteen thousand, two hundred twenty-one".