2003111213240 has 64 divisors (see below), whose sum is σ = 4950480844800. Its totient is φ = 726070511232.

The previous prime is 2003111213179. The next prime is 2003111213249. The reversal of 2003111213240 is 423121113002.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2003111213249) 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, 57279752 + ... + 57314711.

It is an arithmetic number, because the mean of its divisors is an integer number (77351263200).

Almost surely, 2^{2003111213240} is an apocalyptic number.

2003111213240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2003111213240 is an abundant number, since it is smaller than the sum of its proper divisors (2947369631560).

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

2003111213240 is a wasteful number, since it uses less digits than its factorization.

2003111213240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114594516 (or 114594512 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 2003111213240 its reverse (423121113002), we get a palindrome (2426232326242).

The spelling of 2003111213240 in words is "two trillion, three billion, one hundred eleven million, two hundred thirteen thousand, two hundred forty".