212011011112210 has 128 divisors (see below), whose sum is σ = 388414247772096. Its totient is φ = 83310422261760.

The previous prime is 212011011112163. The next prime is 212011011112213. The reversal of 212011011112210 is 12211110110212.

It can be written as a sum of positive squares in 32 ways, for example, as 8007807657249 + 204003203454961 = 2829807^2 + 14282969^2 .

It is a super-2 number, since 2×212011011112210² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (212011011112213) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 121775421940 + ... + 121775423680.

Almost surely, 2^{212011011112210} is an apocalyptic number.

212011011112210 is a deficient number, since it is larger than the sum of its proper divisors (176403236659886).

212011011112210 is a wasteful number, since it uses less digits than its factorization.

212011011112210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3536.

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

Adding to 212011011112210 its reverse (12211110110212), we get a palindrome (224222121222422).

The spelling of 212011011112210 in words is "two hundred twelve trillion, eleven billion, eleven million, one hundred twelve thousand, two hundred ten".