2011321230330 has 32 divisors (see below), whose sum is σ = 4827284040384. Its totient is φ = 536339762816.

The previous prime is 2011321230323. The next prime is 2011321230349. The reversal of 2011321230330 is 330321231102.

It is a junction number, because it is equal to n+sod(n) for n = 2011321230297 and 2011321230306.

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, 554017 + ... + 2080763.

It is an arithmetic number, because the mean of its divisors is an integer number (150852626262).

Almost surely, 2^{2011321230330} is an apocalyptic number.

2011321230330 is an abundant number, since it is smaller than the sum of its proper divisors (2815962810054).

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

2011321230330 is a wasteful number, since it uses less digits than its factorization.

2011321230330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1570670.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 2011321230330 its reverse (330321231102), we get a palindrome (2341642461432).

The spelling of 2011321230330 in words is "two trillion, eleven billion, three hundred twenty-one million, two hundred thirty thousand, three hundred thirty".