2121103032233 has 16 divisors (see below), whose sum is σ = 2172121767936. Its totient is φ = 2070754398720.

The previous prime is 2121103032211. The next prime is 2121103032239. The reversal of 2121103032233 is 3322303011212.

It is a cyclic number.

It is not a de Polignac number, because 2121103032233 - 2³⁰ = 2120029290409 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2121103032199 and 2121103032208.

It is not an unprimeable number, because it can be changed into a prime (2121103032239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3730385 + ... + 4261217.

It is an arithmetic number, because the mean of its divisors is an integer number (135757610496).

Almost surely, 2^{2121103032233} is an apocalyptic number.

It is an amenable number.

2121103032233 is a deficient number, since it is larger than the sum of its proper divisors (51018735703).

2121103032233 is a wasteful number, since it uses less digits than its factorization.

2121103032233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531464.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 2121103032233 its reverse (3322303011212), we get a palindrome (5443406043445).

The spelling of 2121103032233 in words is "two trillion, one hundred twenty-one billion, one hundred three million, thirty-two thousand, two hundred thirty-three".