212101112012222 has 16 divisors (see below), whose sum is σ = 322983892364544. Its totient is φ = 104450809380000.

The previous prime is 212101112012221. The next prime is 212101112012269. The reversal of 212101112012222 is 222210211101212.

It is a super-2 number, since 2×212101112012222² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212101112012194 and 212101112012203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212101112012221) 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, 2748666929 + ... + 2748744092.

It is an arithmetic number, because the mean of its divisors is an integer number (20186493272784).

Almost surely, 2^{212101112012222} is an apocalyptic number.

212101112012222 is a deficient number, since it is larger than the sum of its proper divisors (110882780352322).

212101112012222 is a wasteful number, since it uses less digits than its factorization.

212101112012222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5497411315.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 212101112012222 its reverse (222210211101212), we get a palindrome (434311323113434).

The spelling of 212101112012222 in words is "two hundred twelve trillion, one hundred one billion, one hundred twelve million, twelve thousand, two hundred twenty-two".