1100233311112 has 64 divisors (see below), whose sum is σ = 2356932135600. Its totient is φ = 476990054400.

The previous prime is 1100233311103. The next prime is 1100233311113. The reversal of 1100233311112 is 2111133320011.

It can be written as a sum of positive squares in 8 ways, for example, as 394441778116 + 705791532996 = 628046^2 + 840114^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1100233311112.

It is not an unprimeable number, because it can be changed into a prime (1100233311113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 288612 + ... + 1511212.

Almost surely, 2^{1100233311112} 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 1100233311112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1178466067800).

1100233311112 is an abundant number, since it is smaller than the sum of its proper divisors (1256698824488).

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

1100233311112 is a wasteful number, since it uses less digits than its factorization.

1100233311112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1223146 (or 1223142 counting only the distinct ones).

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

Adding to 1100233311112 its reverse (2111133320011), we get a palindrome (3211366631123).

The spelling of 1100233311112 in words is "one trillion, one hundred billion, two hundred thirty-three million, three hundred eleven thousand, one hundred twelve".