212100120022211 has 2 divisors, whose sum is σ = 212100120022212. Its totient is φ = 212100120022210.

The previous prime is 212100120022163. The next prime is 212100120022223. The reversal of 212100120022211 is 112220021001212.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212100120022211 is a prime.

It is a super-2 number, since 2×212100120022211² (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 212100120022211.

It is not a weakly prime, because it can be changed into another prime (212100120022261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106050060011105 + 106050060011106.

It is an arithmetic number, because the mean of its divisors is an integer number (106050060011106).

Almost surely, 2^{212100120022211} is an apocalyptic number.

212100120022211 is a deficient number, since it is larger than the sum of its proper divisors (1).

212100120022211 is an equidigital number, since it uses as much as digits as its factorization.

212100120022211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 212100120022211 its reverse (112220021001212), we get a palindrome (324320141023423).

The spelling of 212100120022211 in words is "two hundred twelve trillion, one hundred billion, one hundred twenty million, twenty-two thousand, two hundred eleven".