213201121133 has 16 divisors (see below), whose sum is σ = 286256052096. Its totient is φ = 153351455040.

The previous prime is 213201121129. The next prime is 213201121169. The reversal of 213201121133 is 331121102312.

It is a happy number.

It is not a de Polignac number, because 213201121133 - 2² = 213201121129 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213201121933) 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, 106493066 + ... + 106495067.

It is an arithmetic number, because the mean of its divisors is an integer number (17891003256).

Almost surely, 2^213201121133 is an apocalyptic number.

It is an amenable number.

213201121133 is a deficient number, since it is larger than the sum of its proper divisors (73054930963).

213201121133 is a wasteful number, since it uses less digits than its factorization.

213201121133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212988164.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 213201121133 its reverse (331121102312), we get a palindrome (544322223445).

The spelling of 213201121133 in words is "two hundred thirteen billion, two hundred one million, one hundred twenty-one thousand, one hundred thirty-three".