1011133230112 has 48 divisors (see below), whose sum is σ = 2025141132672. Its totient is φ = 496826737920.

The previous prime is 1011133230109. The next prime is 1011133230139. The reversal of 1011133230112 is 2110323311101.

It is a self number, because there is not a number n which added to its sum of digits gives 1011133230112.

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 7 ways as a sum of consecutive naturals, for example, 1918243 + ... + 2387869.

It is an arithmetic number, because the mean of its divisors is an integer number (42190440264).

Almost surely, 2^{1011133230112} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1011133230112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1012570566336).

1011133230112 is an abundant number, since it is smaller than the sum of its proper divisors (1014007902560).

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

1011133230112 is a wasteful number, since it uses less digits than its factorization.

1011133230112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470801 (or 470793 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 1011133230112 its reverse (2110323311101), we get a palindrome (3121456541213).

The spelling of 1011133230112 in words is "one trillion, eleven billion, one hundred thirty-three million, two hundred thirty thousand, one hundred twelve".