2102434333221 has 8 divisors (see below), whose sum is σ = 2803328214624. Its totient is φ = 1401581670320.

The previous prime is 2102434333199. The next prime is 2102434333231. The reversal of 2102434333221 is 1223334342012.

It is a happy number.

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 2102434333221 - 2¹⁸ = 2102434071077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102434333231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10185411 + ... + 10389776.

It is an arithmetic number, because the mean of its divisors is an integer number (350416026828).

Almost surely, 2^{2102434333221} is an apocalyptic number.

It is an amenable number.

2102434333221 is a deficient number, since it is larger than the sum of its proper divisors (700893881403).

2102434333221 is a wasteful number, since it uses less digits than its factorization.

2102434333221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20609251.

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 2102434333221 its reverse (1223334342012), we get a palindrome (3325768675233).

The spelling of 2102434333221 in words is "two trillion, one hundred two billion, four hundred thirty-four million, three hundred thirty-three thousand, two hundred twenty-one".