212200210122111 has 6 divisors (see below), whose sum is σ = 306511414620840. Its totient is φ = 141466806748068.

The previous prime is 212200210122079. The next prime is 212200210122119. The reversal of 212200210122111 is 111221012002212.

212200210122111 is a `hidden beast` number, since 2 + 1 + 220 + 0 + 210 + 1 + 221 + 11 = 666.

It is not a de Polignac number, because 212200210122111 - 2⁵ = 212200210122079 is a prime.

It is a super-3 number, since 3×212200210122111³ (a number of 44 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212200210122119) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11788900562331 + ... + 11788900562348.

It is an arithmetic number, because the mean of its divisors is an integer number (51085235770140).

Almost surely, 2^{212200210122111} is an apocalyptic number.

212200210122111 is a deficient number, since it is larger than the sum of its proper divisors (94311204498729).

212200210122111 is a wasteful number, since it uses less digits than its factorization.

212200210122111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23577801124685 (or 23577801124682 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 212200210122111 its reverse (111221012002212), we get a palindrome (323421222124323).

The spelling of 212200210122111 in words is "two hundred twelve trillion, two hundred billion, two hundred ten million, one hundred twenty-two thousand, one hundred eleven".