2102221002 has 16 divisors (see below), whose sum is σ = 4805076672. Its totient is φ = 600634560.

The previous prime is 2102220973. The next prime is 2102221007. The reversal of 2102221002 is 2001222012.

It is not an unprimeable number, because it can be changed into a prime (2102221007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25026399 + ... + 25026482.

It is an arithmetic number, because the mean of its divisors is an integer number (300317292).

Almost surely, 2^2102221002 is an apocalyptic number.

2102221002 is an abundant number, since it is smaller than the sum of its proper divisors (2702855670).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2102221002 is a wasteful number, since it uses less digits than its factorization.

2102221002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50052893.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 2102221002 is about 45849.9836641192. The cubic root of 2102221002 is about 1281.0304613037.

Adding to 2102221002 its reverse (2001222012), we get a palindrome (4103443014).

It can be divided in two parts, 21022 and 21002, that added together give a palindrome (42024).

The spelling of 2102221002 in words is "two billion, one hundred two million, two hundred twenty-one thousand, two".