211100110122212 has 6 divisors (see below), whose sum is σ = 369425192713878. Its totient is φ = 105550055061104.

The previous prime is 211100110122137. The next prime is 211100110122221. The reversal of 211100110122212 is 212221011001112.

It can be written as a sum of positive squares in only one way, i.e., 135984191823076 + 75115918299136 = 11661226^2 + 8666944^2 .

It is a super-2 number, since 2×211100110122212² (a number of 29 digits) contains 22 as substring.

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 as a sum of consecutive naturals, namely, 26387513765273 + ... + 26387513765280.

It is an arithmetic number, because the mean of its divisors is an integer number (61570865452313).

Almost surely, 2^{211100110122212} is an apocalyptic number.

It is an amenable number.

211100110122212 is a deficient number, since it is larger than the sum of its proper divisors (158325082591666).

211100110122212 is a wasteful number, since it uses less digits than its factorization.

211100110122212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52775027530557 (or 52775027530555 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 211100110122212 its reverse (212221011001112), we get a palindrome (423321121123324).

The spelling of 211100110122212 in words is "two hundred eleven trillion, one hundred billion, one hundred ten million, one hundred twenty-two thousand, two hundred twelve".