202021120021002 has 8 divisors (see below), whose sum is σ = 404042240042016. Its totient is φ = 67340373340332.

The previous prime is 202021120020997. The next prime is 202021120021027. The reversal of 202021120021002 is 200120021120202.

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

202021120021002 is an admirable number.

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 3 ways as a sum of consecutive naturals, for example, 16835093335078 + ... + 16835093335089.

It is an arithmetic number, because the mean of its divisors is an integer number (50505280005252).

Almost surely, 2^{202021120021002} is an apocalyptic number.

202021120021002 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

202021120021002 is a wasteful number, since it uses less digits than its factorization.

202021120021002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33670186670172.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 202021120021002 its reverse (200120021120202), we get a palindrome (402141141141204).

The spelling of 202021120021002 in words is "two hundred two trillion, twenty-one billion, one hundred twenty million, twenty-one thousand, two".