212122111022 has 8 divisors (see below), whose sum is σ = 318698862336. Its totient is φ = 105889156912.

The previous prime is 212122111009. The next prime is 212122111031. The reversal of 212122111022 is 220111221212.

212122111022 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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 (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85947758 + ... + 85950225.

It is an arithmetic number, because the mean of its divisors is an integer number (39837357792).

Almost surely, 2^212122111022 is an apocalyptic number.

212122111022 is a deficient number, since it is larger than the sum of its proper divisors (106576751314).

212122111022 is a wasteful number, since it uses less digits than its factorization.

212122111022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171898602.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 212122111022 its reverse (220111221212), we get a palindrome (432233332234).

The spelling of 212122111022 in words is "two hundred twelve billion, one hundred twenty-two million, one hundred eleven thousand, twenty-two".