1311461221124 has 12 divisors (see below), whose sum is σ = 2415849618000. Its totient is φ = 621218473128.

The previous prime is 1311461221099. The next prime is 1311461221151. The reversal of 1311461221124 is 4211221641131.

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, 8628034274 + ... + 8628034425.

It is an arithmetic number, because the mean of its divisors is an integer number (201320801500).

Almost surely, 2^{1311461221124} is an apocalyptic number.

It is an amenable number.

1311461221124 is a deficient number, since it is larger than the sum of its proper divisors (1104388396876).

1311461221124 is a wasteful number, since it uses less digits than its factorization.

1311461221124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17256068722 (or 17256068720 counting only the distinct ones).

The product of its digits is 2304, while the sum is 29.

Adding to 1311461221124 its reverse (4211221641131), we get a palindrome (5522682862255).

The spelling of 1311461221124 in words is "one trillion, three hundred eleven billion, four hundred sixty-one million, two hundred twenty-one thousand, one hundred twenty-four".