2103221013 has 8 divisors (see below), whose sum is σ = 2850266976. Its totient is φ = 1379161200.

The previous prime is 2103220981. The next prime is 2103221041. The reversal of 2103221013 is 3101223012.

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

It is not a de Polignac number, because 2103221013 - 2⁵ = 2103220981 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2103220983 and 2103221001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2103221713) 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, 5746323 + ... + 5746688.

It is an arithmetic number, because the mean of its divisors is an integer number (356283372).

Almost surely, 2^2103221013 is an apocalyptic number.

It is an amenable number.

2103221013 is a deficient number, since it is larger than the sum of its proper divisors (747045963).

2103221013 is a wasteful number, since it uses less digits than its factorization.

2103221013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11493075.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 2103221013 is about 45860.8876167917. The cubic root of 2103221013 is about 1281.2335546793.

Adding to 2103221013 its reverse (3101223012), we get a palindrome (5204444025).

It can be divided in two parts, 210 and 3221013, that added together give a palindrome (3221223).

The spelling of 2103221013 in words is "two billion, one hundred three million, two hundred twenty-one thousand, thirteen".