2121200102233 has 4 divisors (see below), whose sum is σ = 2121388179840. Its totient is φ = 2121012024628.

The previous prime is 2121200102213. The next prime is 2121200102239. The reversal of 2121200102233 is 3322010021212.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2121200102233 - 2⁵ = 2121200102201 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2121200102233.

It is not an unprimeable number, because it can be changed into a prime (2121200102239) 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 3 ways as a sum of consecutive naturals, for example, 94021885 + ... + 94044442.

It is an arithmetic number, because the mean of its divisors is an integer number (530347044960).

Almost surely, 2^{2121200102233} is an apocalyptic number.

It is an amenable number.

2121200102233 is a deficient number, since it is larger than the sum of its proper divisors (188077607).

2121200102233 is a wasteful number, since it uses less digits than its factorization.

2121200102233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188077606.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 2121200102233 its reverse (3322010021212), we get a palindrome (5443210123445).

The spelling of 2121200102233 in words is "two trillion, one hundred twenty-one billion, two hundred million, one hundred two thousand, two hundred thirty-three".