213112211244011 has 16 divisors (see below), whose sum is σ = 225594881981760. Its totient is φ = 200901845168640.

The previous prime is 213112211243959. The next prime is 213112211244013. The reversal of 213112211244011 is 110442112211312.

It is a cyclic number.

It is not a de Polignac number, because 213112211244011 - 2²⁶ = 213112144135147 is a prime.

It is a super-3 number, since 3×213112211244011³ (a number of 44 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213112211244013) 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 15 ways as a sum of consecutive naturals, for example, 45824456 + ... + 50260373.

It is an arithmetic number, because the mean of its divisors is an integer number (14099680123860).

Almost surely, 2^{213112211244011} is an apocalyptic number.

213112211244011 is a deficient number, since it is larger than the sum of its proper divisors (12482670737749).

213112211244011 is a wasteful number, since it uses less digits than its factorization.

213112211244011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96086246.

The product of its (nonzero) digits is 768, while the sum is 26.

Adding to 213112211244011 its reverse (110442112211312), we get a palindrome (323554323455323).

The spelling of 213112211244011 in words is "two hundred thirteen trillion, one hundred twelve billion, two hundred eleven million, two hundred forty-four thousand, eleven".