2011203121130 has 64 divisors (see below), whose sum is σ = 4148742654720. Its totient is φ = 687654528000.

The previous prime is 2011203121079. The next prime is 2011203121139. The reversal of 2011203121130 is 311213021102.

It is a junction number, because it is equal to n+sod(n) for n = 2011203121099 and 2011203121108.

It is not an unprimeable number, because it can be changed into a prime (2011203121139) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 147669461 + ... + 147683079.

It is an arithmetic number, because the mean of its divisors is an integer number (64824103980).

Almost surely, 2^{2011203121130} is an apocalyptic number.

2011203121130 is an abundant number, since it is smaller than the sum of its proper divisors (2137539533590).

2011203121130 is a wasteful number, since it uses less digits than its factorization.

2011203121130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19295.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 2011203121130 its reverse (311213021102), we get a palindrome (2322416142232).

The spelling of 2011203121130 in words is "two trillion, eleven billion, two hundred three million, one hundred twenty-one thousand, one hundred thirty".