2013111021013 has 4 divisors (see below), whose sum is σ = 2100637587168. Its totient is φ = 1925584454860.

The previous prime is 2013111021007. The next prime is 2013111021023. The reversal of 2013111021013 is 3101201113102.

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 2013111021013 - 2⁵ = 2013111020981 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 (2013111021023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43763283043 + ... + 43763283088.

It is an arithmetic number, because the mean of its divisors is an integer number (525159396792).

Almost surely, 2^{2013111021013} is an apocalyptic number.

2013111021013 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2013111021013 is a deficient number, since it is larger than the sum of its proper divisors (87526566155).

2013111021013 is an equidigital number, since it uses as much as digits as its factorization.

2013111021013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87526566154.

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

Adding to 2013111021013 its reverse (3101201113102), we get a palindrome (5114312134115).

The spelling of 2013111021013 in words is "two trillion, thirteen billion, one hundred eleven million, twenty-one thousand, thirteen".