1321011241112 has 16 divisors (see below), whose sum is σ = 2477053467000. Its totient is φ = 660463649920.

The previous prime is 1321011241111. The next prime is 1321011241219. The reversal of 1321011241112 is 2111421101231.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1321011241111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5112362 + ... + 5364537.

Almost surely, 2^{1321011241112} is an apocalyptic number.

It is an amenable number.

1321011241112 is a deficient number, since it is larger than the sum of its proper divisors (1156042225888).

1321011241112 is a wasteful number, since it uses less digits than its factorization.

1321011241112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10492666 (or 10492662 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 20.

Adding to 1321011241112 its reverse (2111421101231), we get a palindrome (3432432342343).

The spelling of 1321011241112 in words is "one trillion, three hundred twenty-one billion, eleven million, two hundred forty-one thousand, one hundred twelve".