2011230021213 has 288 divisors, whose sum is σ = 3688529644800. Its totient is φ = 1050163107840.

The previous prime is 2011230021209. The next prime is 2011230021221. The reversal of 2011230021213 is 3121200321102.

2011230021213 is a `hidden beast` number, since 20 + 112 + 300 + 21 + 213 = 666.

It is not a de Polignac number, because 2011230021213 - 2² = 2011230021209 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011230021223) by changing a digit.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 5762836563 + ... + 5762836911.

It is an arithmetic number, because the mean of its divisors is an integer number (12807394600).

Almost surely, 2^{2011230021213} is an apocalyptic number.

2011230021213 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2011230021213 is a deficient number, since it is larger than the sum of its proper divisors (1677299623587).

2011230021213 is a wasteful number, since it uses less digits than its factorization.

2011230021213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689 (or 679 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 2011230021213 its reverse (3121200321102), we get a palindrome (5132430342315).

The spelling of 2011230021213 in words is "two trillion, eleven billion, two hundred thirty million, twenty-one thousand, two hundred thirteen".