10212122220202 has 32 divisors (see below), whose sum is σ = 17573743908864. Its totient is φ = 4359812938800.

The previous prime is 10212122220199. The next prime is 10212122220239. The reversal of 10212122220202 is 20202222121201.

It is a self number, because there is not a number n which added to its sum of digits gives 10212122220202.

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, 155093427 + ... + 155159257.

It is an arithmetic number, because the mean of its divisors is an integer number (549179497152).

Almost surely, 2^{10212122220202} is an apocalyptic number.

10212122220202 is a deficient number, since it is larger than the sum of its proper divisors (7361621688662).

10212122220202 is a wasteful number, since it uses less digits than its factorization.

10212122220202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108234.

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

Adding to 10212122220202 its reverse (20202222121201), we get a palindrome (30414344341403).

Subtracting 10212122220202 from its reverse (20202222121201), we obtain a palindrome (9990099900999).

The spelling of 10212122220202 in words is "ten trillion, two hundred twelve billion, one hundred twenty-two million, two hundred twenty thousand, two hundred two".