211121002101211 has 2 divisors, whose sum is σ = 211121002101212. Its totient is φ = 211121002101210.

The previous prime is 211121002101181. The next prime is 211121002101301. The reversal of 211121002101211 is 112101200121112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 211121002101211 - 2⁹ = 211121002100699 is a prime.

It is not a weakly prime, because it can be changed into another prime (211121002104211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105560501050605 + 105560501050606.

It is an arithmetic number, because the mean of its divisors is an integer number (105560501050606).

Almost surely, 2^{211121002101211} is an apocalyptic number.

211121002101211 is a deficient number, since it is larger than the sum of its proper divisors (1).

211121002101211 is an equidigital number, since it uses as much as digits as its factorization.

211121002101211 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 16.

Adding to 211121002101211 its reverse (112101200121112), we get a palindrome (323222202222323).

The spelling of 211121002101211 in words is "two hundred eleven trillion, one hundred twenty-one billion, two million, one hundred one thousand, two hundred eleven".