212110021020202 has 16 divisors (see below), whose sum is σ = 319439061625824. Its totient is φ = 105630350850000.

The previous prime is 212110021020199. The next prime is 212110021020239. The reversal of 212110021020202 is 202020120011212.

It is a happy number.

It is a super-2 number, since 2×212110021020202² (a number of 29 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 20810752 + ... + 29279812.

It is an arithmetic number, because the mean of its divisors is an integer number (19964941351614).

Almost surely, 2^{212110021020202} is an apocalyptic number.

212110021020202 is a deficient number, since it is larger than the sum of its proper divisors (107329040605622).

212110021020202 is a wasteful number, since it uses less digits than its factorization.

212110021020202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8519205.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 212110021020202 its reverse (202020120011212), we get a palindrome (414130141031414).

The spelling of 212110021020202 in words is "two hundred twelve trillion, one hundred ten billion, twenty-one million, twenty thousand, two hundred two".