202221121221002 has 8 divisors (see below), whose sum is σ = 326664888126276. Its totient is φ = 93332825178912.

The previous prime is 202221121220981. The next prime is 202221121221113. The reversal of 202221121221002 is 200122121122202.

202221121221002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 193940188390081 + 8280932830921 = 13926241^2 + 2877661^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3888867715763 + ... + 3888867715814.

Almost surely, 2^{202221121221002} is an apocalyptic number.

202221121221002 is a deficient number, since it is larger than the sum of its proper divisors (124443766905274).

202221121221002 is a wasteful number, since it uses less digits than its factorization.

202221121221002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7777735431592.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 202221121221002 its reverse (200122121122202), we get a palindrome (402343242343204).

The spelling of 202221121221002 in words is "two hundred two trillion, two hundred twenty-one billion, one hundred twenty-one million, two hundred twenty-one thousand, two".