212101111210222 has 16 divisors (see below), whose sum is σ = 353677287180672. Its totient is φ = 94734987636960.

The previous prime is 212101111210211. The next prime is 212101111210223. The reversal of 212101111210222 is 222012111101212.

It is a happy number.

It is a super-2 number, since 2×212101111210222² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 212101111210222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212101111210223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131576370913 + ... + 131576372524.

It is an arithmetic number, because the mean of its divisors is an integer number (22104830448792).

Almost surely, 2^{212101111210222} is an apocalyptic number.

212101111210222 is a deficient number, since it is larger than the sum of its proper divisors (141576175970450).

212101111210222 is a wasteful number, since it uses less digits than its factorization.

212101111210222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263152743483.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 212101111210222 its reverse (222012111101212), we get a palindrome (434113222311434).

The spelling of 212101111210222 in words is "two hundred twelve trillion, one hundred one billion, one hundred eleven million, two hundred ten thousand, two hundred twenty-two".