2121322032233 has 8 divisors (see below), whose sum is σ = 2159854300128. Its totient is φ = 2083045793184.

The previous prime is 2121322032191. The next prime is 2121322032241. The reversal of 2121322032233 is 3322302231212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2121322032233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2121322032253) 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 7 ways as a sum of consecutive naturals, for example, 63990491 + ... + 64023632.

It is an arithmetic number, because the mean of its divisors is an integer number (269981787516).

Almost surely, 2^{2121322032233} is an apocalyptic number.

It is an amenable number.

2121322032233 is a deficient number, since it is larger than the sum of its proper divisors (38532267895).

2121322032233 is a wasteful number, since it uses less digits than its factorization.

2121322032233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128014423.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 2121322032233 its reverse (3322302231212), we get a palindrome (5443624263445).

The spelling of 2121322032233 in words is "two trillion, one hundred twenty-one billion, three hundred twenty-two million, thirty-two thousand, two hundred thirty-three".