202221020100002 has 32 divisors (see below), whose sum is σ = 320411572095600. Its totient is φ = 95583804115968.

The previous prime is 202221020099977. The next prime is 202221020100013. The reversal of 202221020100002 is 200001020122202.

It can be written as a sum of positive squares in 8 ways, for example, as 59041105160041 + 143179914939961 = 7683821^2 + 11965781^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 202221020100002.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 173730977 + ... + 174891092.

Almost surely, 2^{202221020100002} is an apocalyptic number.

202221020100002 is a deficient number, since it is larger than the sum of its proper divisors (118190551995598).

202221020100002 is a wasteful number, since it uses less digits than its factorization.

202221020100002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348622310.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 202221020100002 its reverse (200001020122202), we get a palindrome (402222040222204).

The spelling of 202221020100002 in words is "two hundred two trillion, two hundred twenty-one billion, twenty million, one hundred thousand, two".