202221120021002 has 8 divisors (see below), whose sum is σ = 303337973756196. Its totient is φ = 101108462102272.

The previous prime is 202221120020989. The next prime is 202221120021061. The reversal of 202221120021002 is 200120021122202.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 148758978629041 + 53462141391961 = 12196679^2 + 7311781^2 .

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, 1048833623 + ... + 1049026410.

Almost surely, 2^{202221120021002} is an apocalyptic number.

202221120021002 is a deficient number, since it is larger than the sum of its proper divisors (101116853735194).

202221120021002 is a wasteful number, since it uses less digits than its factorization.

202221120021002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2097908232.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 202221120021002 its reverse (200120021122202), we get a palindrome (402341141143204).

The spelling of 202221120021002 in words is "two hundred two trillion, two hundred twenty-one billion, one hundred twenty million, twenty-one thousand, two".