2103010031221 has 8 divisors (see below), whose sum is σ = 2296029600000. Its totient is φ = 1910296602240.

The previous prime is 2103010031219. The next prime is 2103010031237. The reversal of 2103010031221 is 1221300103012.

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 2103010031221 - 2¹ = 2103010031219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2103010031195 and 2103010031204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2103010031621) 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 7 ways as a sum of consecutive naturals, for example, 76520581 + ... + 76548058.

It is an arithmetic number, because the mean of its divisors is an integer number (287003700000).

Almost surely, 2^{2103010031221} is an apocalyptic number.

It is an amenable number.

2103010031221 is a deficient number, since it is larger than the sum of its proper divisors (193019568779).

2103010031221 is a wasteful number, since it uses less digits than its factorization.

2103010031221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153069899.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 2103010031221 its reverse (1221300103012), we get a palindrome (3324310134233).

The spelling of 2103010031221 in words is "two trillion, one hundred three billion, ten million, thirty-one thousand, two hundred twenty-one".