213110233331011 has 4 divisors (see below), whose sum is σ = 213121695202632. Its totient is φ = 213098771459392.

The previous prime is 213110233330961. The next prime is 213110233331141. The reversal of 213110233331011 is 110133332011312.

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

It is a cyclic number.

It is not a de Polignac number, because 213110233331011 - 2³⁹ = 212560477517123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213110233335011) 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, 5730907921 + ... + 5730945106.

It is an arithmetic number, because the mean of its divisors is an integer number (53280423800658).

Almost surely, 2^{213110233331011} is an apocalyptic number.

213110233331011 is a deficient number, since it is larger than the sum of its proper divisors (11461871621).

213110233331011 is a wasteful number, since it uses less digits than its factorization.

213110233331011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11461871620.

The product of its (nonzero) digits is 972, while the sum is 25.

Adding to 213110233331011 its reverse (110133332011312), we get a palindrome (323243565342323).

The spelling of 213110233331011 in words is "two hundred thirteen trillion, one hundred ten billion, two hundred thirty-three million, three hundred thirty-one thousand, eleven".