212210211000001 has 2 divisors, whose sum is σ = 212210211000002. Its totient is φ = 212210211000000.

The previous prime is 212210210999909. The next prime is 212210211000049. The reversal of 212210211000001 is 100000112012212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 209618304196401 + 2591906803600 = 14478201^2 + 1609940^2 .

It is a cyclic number.

It is not a de Polignac number, because 212210211000001 - 2¹⁹ = 212210210475713 is a prime.

It is not a weakly prime, because it can be changed into another prime (212210211000071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106105105500000 + 106105105500001.

It is an arithmetic number, because the mean of its divisors is an integer number (106105105500001).

Almost surely, 2^{212210211000001} is an apocalyptic number.

It is an amenable number.

212210211000001 is a deficient number, since it is larger than the sum of its proper divisors (1).

212210211000001 is an equidigital number, since it uses as much as digits as its factorization.

212210211000001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 212210211000001 its reverse (100000112012212), we get a palindrome (312210323012213).

The spelling of 212210211000001 in words is "two hundred twelve trillion, two hundred ten billion, two hundred eleven million, one", and thus it is an aban number.