11333331012 has 24 divisors (see below), whose sum is σ = 26446193536. Its totient is φ = 3777526368.

The previous prime is 11333331011. The next prime is 11333331019. The reversal of 11333331012 is 21013333311.

It is a self number, because there is not a number n which added to its sum of digits gives 11333331012.

It is not an unprimeable number, because it can be changed into a prime (11333331011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 284133 + ... + 321555.

Almost surely, 2^11333331012 is an apocalyptic number.

11333331012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11333331012 is an abundant number, since it is smaller than the sum of its proper divisors (15112862524).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11333331012 is a wasteful number, since it uses less digits than its factorization.

11333331012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62667 (or 62665 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 11333331012 its reverse (21013333311), we get a palindrome (32346664323).

The spelling of 11333331012 in words is "eleven billion, three hundred thirty-three million, three hundred thirty-one thousand, twelve".