20211210200202 has 32 divisors (see below), whose sum is σ = 48205619361792. Its totient is φ = 5523560551344.

The previous prime is 20211210200189. The next prime is 20211210200231. The reversal of 20211210200202 is 20200201211202.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10461287958 + ... + 10461289889.

It is an arithmetic number, because the mean of its divisors is an integer number (1506425605056).

Almost surely, 2^{20211210200202} is an apocalyptic number.

20211210200202 is an abundant number, since it is smaller than the sum of its proper divisors (27994409161590).

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

20211210200202 is a wasteful number, since it uses less digits than its factorization.

20211210200202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20922577882.

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

Adding to 20211210200202 its reverse (20200201211202), we get a palindrome (40411411411404).

The spelling of 20211210200202 in words is "twenty trillion, two hundred eleven billion, two hundred ten million, two hundred thousand, two hundred two".