212211012022 has 16 divisors (see below), whose sum is σ = 326630292912. Its totient is φ = 103342977280.

The previous prime is 212211011933. The next prime is 212211012059. The reversal of 212211012022 is 220210112212.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 212211011987 and 212211012005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2133448 + ... + 2230699.

It is an arithmetic number, because the mean of its divisors is an integer number (20414393307).

Almost surely, 2^212211012022 is an apocalyptic number.

212211012022 is a deficient number, since it is larger than the sum of its proper divisors (114419280890).

212211012022 is a wasteful number, since it uses less digits than its factorization.

212211012022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4364783.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 212211012022 its reverse (220210112212), we get a palindrome (432421124234).

The spelling of 212211012022 in words is "two hundred twelve billion, two hundred eleven million, twelve thousand, twenty-two".