2011011310213 has 4 divisors (see below), whose sum is σ = 2011016082240. Its totient is φ = 2011006538188.

The previous prime is 2011011310193. The next prime is 2011011310237. The reversal of 2011011310213 is 3120131101102.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2011011310213 - 2¹³ = 2011011302021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011011310613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1685293 + ... + 2619586.

It is an arithmetic number, because the mean of its divisors is an integer number (502754020560).

Almost surely, 2^{2011011310213} is an apocalyptic number.

It is an amenable number.

2011011310213 is a deficient number, since it is larger than the sum of its proper divisors (4772027).

2011011310213 is an equidigital number, since it uses as much as digits as its factorization.

2011011310213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4772026.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 2011011310213 its reverse (3120131101102), we get a palindrome (5131142411315).

The spelling of 2011011310213 in words is "two trillion, eleven billion, eleven million, three hundred ten thousand, two hundred thirteen".