212122002222211 has 2 divisors, whose sum is σ = 212122002222212. Its totient is φ = 212122002222210.

The previous prime is 212122002222173. The next prime is 212122002222241. The reversal of 212122002222211 is 112222200221212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212122002222211 - 2³⁷ = 211984563268739 is a prime.

It is not a weakly prime, because it can be changed into another prime (212122002222241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106061001111105 + 106061001111106.

It is an arithmetic number, because the mean of its divisors is an integer number (106061001111106).

Almost surely, 2^{212122002222211} is an apocalyptic number.

212122002222211 is a deficient number, since it is larger than the sum of its proper divisors (1).

212122002222211 is an equidigital number, since it uses as much as digits as its factorization.

212122002222211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 212122002222211 its reverse (112222200221212), we get a palindrome (324344202443423).

The spelling of 212122002222211 in words is "two hundred twelve trillion, one hundred twenty-two billion, two million, two hundred twenty-two thousand, two hundred eleven".