212222121022 has 16 divisors (see below), whose sum is σ = 319343435712. Its totient is φ = 105774668800.

The previous prime is 212222120993. The next prime is 212222121101. The reversal of 212222121022 is 220121222212.

212222121022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 1103598 + ... + 1281550.

It is an arithmetic number, because the mean of its divisors is an integer number (19958964732).

Almost surely, 2^212222121022 is an apocalyptic number.

212222121022 is a deficient number, since it is larger than the sum of its proper divisors (107121314690).

212222121022 is a wasteful number, since it uses less digits than its factorization.

212222121022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179843.

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

Adding to 212222121022 its reverse (220121222212), we get a palindrome (432343343234).

The spelling of 212222121022 in words is "two hundred twelve billion, two hundred twenty-two million, one hundred twenty-one thousand, twenty-two".