211222100002022 has 4 divisors (see below), whose sum is σ = 316833150003036. Its totient is φ = 105611050001010.

The previous prime is 211222100001959. The next prime is 211222100002073. The reversal of 211222100002022 is 220200001222112.

It is a happy number.

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

It is a super-2 number, since 2×211222100002022² (a number of 29 digits) contains 22 as substring.

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, 52805525000504 + ... + 52805525000507.

It is an arithmetic number, because the mean of its divisors is an integer number (79208287500759).

Almost surely, 2^{211222100002022} is an apocalyptic number.

211222100002022 is a deficient number, since it is larger than the sum of its proper divisors (105611050001014).

211222100002022 is a wasteful number, since it uses less digits than its factorization.

211222100002022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105611050001013.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 211222100002022 its reverse (220200001222112), we get a palindrome (431422101224134).

The spelling of 211222100002022 in words is "two hundred eleven trillion, two hundred twenty-two billion, one hundred million, two thousand, twenty-two".