20212021122202 has 32 divisors (see below), whose sum is σ = 37825658099712. Its totient is φ = 7886430635904.

The previous prime is 20212021122169. The next prime is 20212021122211. The reversal of 20212021122202 is 20222112021202.

It is a self number, because there is not a number n which added to its sum of digits gives 20212021122202.

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, 760637818 + ... + 760664389.

It is an arithmetic number, because the mean of its divisors is an integer number (1182051815616).

Almost surely, 2^{20212021122202} is an apocalyptic number.

20212021122202 is a deficient number, since it is larger than the sum of its proper divisors (17613636977510).

20212021122202 is a wasteful number, since it uses less digits than its factorization.

20212021122202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1521302302.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 20212021122202 its reverse (20222112021202), we get a palindrome (40434133143404).

The spelling of 20212021122202 in words is "twenty trillion, two hundred twelve billion, twenty-one million, one hundred twenty-two thousand, two hundred two".