213011001134244 has 72 divisors (see below), whose sum is σ = 539729143073120. Its totient is φ = 70834417833600.

The previous prime is 213011001134237. The next prime is 213011001134249. The reversal of 213011001134244 is 442431100110312.

It is a happy number.

213011001134244 is a `hidden beast` number, since 2 + 1 + 301 + 1 + 0 + 0 + 11 + 342 + 4 + 4 = 666.

213011001134244 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (213011001134249) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29176584 + ... + 35739264.

Almost surely, 2^{213011001134244} is an apocalyptic number.

It is an amenable number.

213011001134244 is an abundant number, since it is smaller than the sum of its proper divisors (326718141938876).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213011001134244 is a wasteful number, since it uses less digits than its factorization.

213011001134244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6564841 (or 6564836 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

Adding to 213011001134244 its reverse (442431100110312), we get a palindrome (655442101244556).

The spelling of 213011001134244 in words is "two hundred thirteen trillion, eleven billion, one million, one hundred thirty-four thousand, two hundred forty-four".