213233302322121 has 32 divisors (see below), whose sum is σ = 303393351800448. Its totient is φ = 132749422730240.

The previous prime is 213233302322101. The next prime is 213233302322167. The reversal of 213233302322121 is 121223203332312.

It is a cyclic number.

It is not a de Polignac number, because 213233302322121 - 2⁹ = 213233302321609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (213233302322101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28039170 + ... + 34823291.

It is an arithmetic number, because the mean of its divisors is an integer number (9481042243764).

Almost surely, 2^{213233302322121} is an apocalyptic number.

It is an amenable number.

213233302322121 is a deficient number, since it is larger than the sum of its proper divisors (90160049478327).

213233302322121 is a wasteful number, since it uses less digits than its factorization.

213233302322121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62863001.

The product of its (nonzero) digits is 15552, while the sum is 30.

Adding to 213233302322121 its reverse (121223203332312), we get a palindrome (334456505654433).

The spelling of 213233302322121 in words is "two hundred thirteen trillion, two hundred thirty-three billion, three hundred two million, three hundred twenty-two thousand, one hundred twenty-one".