2103221221013 has 16 divisors (see below), whose sum is σ = 2322297202176. Its totient is φ = 1888795488240.

The previous prime is 2103221220979. The next prime is 2103221221033. The reversal of 2103221221013 is 3101221223012.

It is a cyclic number.

It is not a de Polignac number, because 2103221221013 - 2¹⁴ = 2103221204629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2103221221033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9538670 + ... + 9756672.

It is an arithmetic number, because the mean of its divisors is an integer number (145143575136).

Almost surely, 2^{2103221221013} is an apocalyptic number.

It is an amenable number.

2103221221013 is a deficient number, since it is larger than the sum of its proper divisors (219075981163).

2103221221013 is a wasteful number, since it uses less digits than its factorization.

2103221221013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228664.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 2103221221013 its reverse (3101221223012), we get a palindrome (5204442444025).

It can be divided in two parts, 210 and 3221221013, that added together give a palindrome (3221221223).

The spelling of 2103221221013 in words is "two trillion, one hundred three billion, two hundred twenty-one million, two hundred twenty-one thousand, thirteen".