2011000111213 has 4 divisors (see below), whose sum is σ = 2129294235420. Its totient is φ = 1892705987008.

The previous prime is 2011000111201. The next prime is 2011000111231. The reversal of 2011000111213 is 3121110001102.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1430985352644 + 580014758569 = 1196238^2 + 761587^2 .

It is a cyclic number.

It is not a de Polignac number, because 2011000111213 - 2¹⁷ = 2010999980141 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2011000111193 and 2011000111202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011000111243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59147062078 + ... + 59147062111.

It is an arithmetic number, because the mean of its divisors is an integer number (532323558855).

Almost surely, 2^{2011000111213} is an apocalyptic number.

It is an amenable number.

2011000111213 is a deficient number, since it is larger than the sum of its proper divisors (118294124207).

2011000111213 is a wasteful number, since it uses less digits than its factorization.

2011000111213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118294124206.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 2011000111213 its reverse (3121110001102), we get a palindrome (5132110112315).

The spelling of 2011000111213 in words is "two trillion, eleven billion, one hundred eleven thousand, two hundred thirteen".