2103221402 has 8 divisors (see below), whose sum is σ = 3340410516. Its totient is φ = 989751232.

The previous prime is 2103221401. The next prime is 2103221431. The reversal of 2103221402 is 2041223012.

It can be written as a sum of positive squares in 2 ways, for example, as 1998179401 + 105042001 = 44701^2 + 10249^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (17).

It is not an unprimeable number, because it can be changed into a prime (2103221401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30929693 + ... + 30929760.

Almost surely, 2^2103221402 is an apocalyptic number.

2103221402 is a deficient number, since it is larger than the sum of its proper divisors (1237189114).

2103221402 is a wasteful number, since it uses less digits than its factorization.

2103221402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61859472.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2103221402 is about 45860.8918578782. The cubic root of 2103221402 is about 1281.2336336692.

Adding to 2103221402 its reverse (2041223012), we get a palindrome (4144444414).

The spelling of 2103221402 in words is "two billion, one hundred three million, two hundred twenty-one thousand, four hundred two".