213101121233 has 64 divisors (see below), whose sum is σ = 287798095872. Its totient is φ = 152384474880.

The previous prime is 213101121221. The next prime is 213101121239. The reversal of 213101121233 is 332121101312.

It is a happy number.

213101121233 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 213101121233 - 2⁴ = 213101121217 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (213101121239) 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 63 ways as a sum of consecutive naturals, for example, 189760010 + ... + 189761132.

It is an arithmetic number, because the mean of its divisors is an integer number (4496845248).

Almost surely, 2^213101121233 is an apocalyptic number.

It is an amenable number.

213101121233 is a deficient number, since it is larger than the sum of its proper divisors (74696974639).

213101121233 is a wasteful number, since it uses less digits than its factorization.

213101121233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2094.

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

Adding to 213101121233 its reverse (332121101312), we get a palindrome (545222222545).

The spelling of 213101121233 in words is "two hundred thirteen billion, one hundred one million, one hundred twenty-one thousand, two hundred thirty-three".