212021211111022 has 8 divisors (see below), whose sum is σ = 318031878591216. Its totient is φ = 106010584913952.

The previous prime is 212021211110999. The next prime is 212021211111077. The reversal of 212021211111022 is 220111112120212.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct 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 in 3 ways as a sum of consecutive naturals, for example, 13699503 + ... + 24732949.

It is an arithmetic number, because the mean of its divisors is an integer number (39753984823902).

Almost surely, 2^{212021211111022} is an apocalyptic number.

212021211111022 is a deficient number, since it is larger than the sum of its proper divisors (106010667480194).

212021211111022 is a wasteful number, since it uses less digits than its factorization.

212021211111022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20641562.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 212021211111022 its reverse (220111112120212), we get a palindrome (432132323231234).

The spelling of 212021211111022 in words is "two hundred twelve trillion, twenty-one billion, two hundred eleven million, one hundred eleven thousand, twenty-two".