1103313211112 has 64 divisors (see below), whose sum is σ = 2432280251520. Its totient is φ = 459284560128.

The previous prime is 1103313211109. The next prime is 1103313211123. The reversal of 1103313211112 is 2111123133011.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 762698 + ... + 1669830.

It is an arithmetic number, because the mean of its divisors is an integer number (38004378930).

Almost surely, 2^{1103313211112} 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 1103313211112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1216140125760).

1103313211112 is an abundant number, since it is smaller than the sum of its proper divisors (1328967040408).

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

1103313211112 is a wasteful number, since it uses less digits than its factorization.

1103313211112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 907770 (or 907766 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 1103313211112 its reverse (2111123133011), we get a palindrome (3214436344123).

The spelling of 1103313211112 in words is "one trillion, one hundred three billion, three hundred thirteen million, two hundred eleven thousand, one hundred twelve".