212120202210022 has 4 divisors (see below), whose sum is σ = 318180303315036. Its totient is φ = 106060101105010.

The previous prime is 212120202210011. The next prime is 212120202210089. The reversal of 212120202210022 is 220012202021212.

It is a semiprime because it is the product of two primes.

It is a congruent 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 as a sum of consecutive naturals, namely, 53030050552504 + ... + 53030050552507.

It is an arithmetic number, because the mean of its divisors is an integer number (79545075828759).

Almost surely, 2^{212120202210022} is an apocalyptic number.

212120202210022 is a deficient number, since it is larger than the sum of its proper divisors (106060101105014).

212120202210022 is a wasteful number, since it uses less digits than its factorization.

212120202210022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106060101105013.

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

Adding to 212120202210022 its reverse (220012202021212), we get a palindrome (432132404231234).

The spelling of 212120202210022 in words is "two hundred twelve trillion, one hundred twenty billion, two hundred two million, two hundred ten thousand, twenty-two".