2121310300233 has 8 divisors (see below), whose sum is σ = 2828450949696. Its totient is φ = 1414188258800.

The previous prime is 2121310300217. The next prime is 2121310300253. The reversal of 2121310300233 is 3320030131212.

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

It is a cyclic number.

It is not a de Polignac number, because 2121310300233 - 2⁴ = 2121310300217 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2121310300253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4383798 + ... + 4843583.

It is an arithmetic number, because the mean of its divisors is an integer number (353556368712).

Almost surely, 2^{2121310300233} is an apocalyptic number.

It is an amenable number.

2121310300233 is a deficient number, since it is larger than the sum of its proper divisors (707140649463).

2121310300233 is an equidigital number, since it uses as much as digits as its factorization.

2121310300233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9304015.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 2121310300233 its reverse (3320030131212), we get a palindrome (5441340431445).

The spelling of 2121310300233 in words is "two trillion, one hundred twenty-one billion, three hundred ten million, three hundred thousand, two hundred thirty-three".