213013121011 has 8 divisors (see below), whose sum is σ = 213976168704. Its totient is φ = 212050290120.

The previous prime is 213013120993. The next prime is 213013121033. The reversal of 213013121011 is 110121310312.

It is a happy number.

213013121011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 213013121011 - 2⁷ = 213013120883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213013121051) 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 7 ways as a sum of consecutive naturals, for example, 2109666 + ... + 2208328.

It is an arithmetic number, because the mean of its divisors is an integer number (26747021088).

Almost surely, 2^213013121011 is an apocalyptic number.

213013121011 is a deficient number, since it is larger than the sum of its proper divisors (963047693).

213013121011 is an equidigital number, since it uses as much as digits as its factorization.

213013121011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108401.

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

Adding to 213013121011 its reverse (110121310312), we get a palindrome (323134431323).

The spelling of 213013121011 in words is "two hundred thirteen billion, thirteen million, one hundred twenty-one thousand, eleven".