1011331223312 has 20 divisors (see below), whose sum is σ = 1959612917520. Its totient is φ = 505624663968.

The previous prime is 1011331223297. The next prime is 1011331223317. The reversal of 1011331223312 is 2133221331101.

It is not an unprimeable number, because it can be changed into a prime (1011331223317) 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, 2354978 + ... + 2751105.

It is an arithmetic number, because the mean of its divisors is an integer number (97980645876).

Almost surely, 2^{1011331223312} is an apocalyptic number.

It is an amenable number.

1011331223312 is a deficient number, since it is larger than the sum of its proper divisors (948281694208).

1011331223312 is a wasteful number, since it uses less digits than its factorization.

1011331223312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5118470 (or 5118464 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 1011331223312 its reverse (2133221331101), we get a palindrome (3144552554413).

The spelling of 1011331223312 in words is "one trillion, eleven billion, three hundred thirty-one million, two hundred twenty-three thousand, three hundred twelve".