1101232321012 has 12 divisors (see below), whose sum is σ = 1927171653120. Its totient is φ = 550611848696.

The previous prime is 1101232321003. The next prime is 1101232321027. The reversal of 1101232321012 is 2101232321011.

It is a congruent number.

It is an unprimeable number.

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, 464518 + ... + 1555069.

It is an arithmetic number, because the mean of its divisors is an integer number (160597637760).

Almost surely, 2^{1101232321012} is an apocalyptic number.

It is an amenable number.

1101232321012 is a deficient number, since it is larger than the sum of its proper divisors (825939332108).

1101232321012 is a wasteful number, since it uses less digits than its factorization.

1101232321012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2155910 (or 2155908 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 1101232321012 its reverse (2101232321011), we get a palindrome (3202464642023).

Subtracting 1101232321012 from its reverse (2101232321011), we obtain a palindrome (999999999999).

The spelling of 1101232321012 in words is "one trillion, one hundred one billion, two hundred thirty-two million, three hundred twenty-one thousand, twelve".