2103323221221 has 8 divisors (see below), whose sum is σ = 2804914424064. Its totient is φ = 1401973749600.

The previous prime is 2103323221217. The next prime is 2103323221229. The reversal of 2103323221221 is 1221223233012.

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

It is not a de Polignac number, because 2103323221221 - 2² = 2103323221217 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2103323221191 and 2103323221200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2103323221229) 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, 60412501 + ... + 60447306.

It is an arithmetic number, because the mean of its divisors is an integer number (350614303008).

Almost surely, 2^{2103323221221} is an apocalyptic number.

It is an amenable number.

2103323221221 is a deficient number, since it is larger than the sum of its proper divisors (701591202843).

2103323221221 is a wasteful number, since it uses less digits than its factorization.

2103323221221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120865611.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 2103323221221 its reverse (1221223233012), we get a palindrome (3324546454233).

The spelling of 2103323221221 in words is "two trillion, one hundred three billion, three hundred twenty-three million, two hundred twenty-one thousand, two hundred twenty-one".