213244221134 has 32 divisors (see below), whose sum is σ = 366733068480. Its totient is φ = 91097690112.

The previous prime is 213244221131. The next prime is 213244221137. The reversal of 213244221134 is 431122442312.

213244221134 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (213244221131) and next prime (213244221137).

It is a junction number, because it is equal to n+sod(n) for n = 213244221097 and 213244221106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213244221131) 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 15 ways as a sum of consecutive naturals, for example, 16959602 + ... + 16972170.

It is an arithmetic number, because the mean of its divisors is an integer number (11460408390).

Almost surely, 2^213244221134 is an apocalyptic number.

213244221134 is a deficient number, since it is larger than the sum of its proper divisors (153488847346).

213244221134 is a wasteful number, since it uses less digits than its factorization.

213244221134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16364.

The product of its digits is 9216, while the sum is 29.

Adding to 213244221134 its reverse (431122442312), we get a palindrome (644366663446).

The spelling of 213244221134 in words is "two hundred thirteen billion, two hundred forty-four million, two hundred twenty-one thousand, one hundred thirty-four".