2103030311112 has 96 divisors (see below), whose sum is σ = 5996006702400. Its totient is φ = 664056620928.

The previous prime is 2103030311101. The next prime is 2103030311113. The reversal of 2103030311112 is 2111130303012.

2103030311112 is a `hidden beast` number, since 210 + 3 + 0 + 30 + 311 + 112 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (2103030311113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17152458 + ... + 17274630.

It is an arithmetic number, because the mean of its divisors is an integer number (62458403150).

Almost surely, 2^{2103030311112} is an apocalyptic number.

It is an amenable number.

2103030311112 is an abundant number, since it is smaller than the sum of its proper divisors (3892976391288).

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

2103030311112 is a wasteful number, since it uses less digits than its factorization.

2103030311112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134787 (or 134780 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 2103030311112 its reverse (2111130303012), we get a palindrome (4214160614124).

It can be divided in two parts, 2103030 and 311112, that added together give a palindrome (2414142).

The spelling of 2103030311112 in words is "two trillion, one hundred three billion, thirty million, three hundred eleven thousand, one hundred twelve".