212202111020022 has 64 divisors (see below), whose sum is σ = 478603260668160. Its totient is φ = 69677606097792.

The previous prime is 212202111019967. The next prime is 212202111020057. The reversal of 212202111020022 is 220020111202212.

It is a happy number.

212202111020022 is a `hidden beast` number, since 2 + 1 + 220 + 211 + 10 + 200 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 212202111019977 and 212202111020004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 459845118 + ... + 460306350.

It is an arithmetic number, because the mean of its divisors is an integer number (7478175947940).

Almost surely, 2^{212202111020022} is an apocalyptic number.

212202111020022 is an abundant number, since it is smaller than the sum of its proper divisors (266401149648138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212202111020022 is a wasteful number, since it uses less digits than its factorization.

212202111020022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 588474 (or 588468 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 212202111020022 its reverse (220020111202212), we get a palindrome (432222222222234).

The spelling of 212202111020022 in words is "two hundred twelve trillion, two hundred two billion, one hundred eleven million, twenty thousand, twenty-two".