211010021011211 has 2 divisors, whose sum is σ = 211010021011212. Its totient is φ = 211010021011210.

The previous prime is 211010021011201. The next prime is 211010021011213. The reversal of 211010021011211 is 112110120010112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 211010021011211 - 2⁶ = 211010021011147 is a prime.

Together with 211010021011213, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (211010021011213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105505010505605 + 105505010505606.

It is an arithmetic number, because the mean of its divisors is an integer number (105505010505606).

Almost surely, 2^{211010021011211} is an apocalyptic number.

211010021011211 is a deficient number, since it is larger than the sum of its proper divisors (1).

211010021011211 is an equidigital number, since it uses as much as digits as its factorization.

211010021011211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 211010021011211 its reverse (112110120010112), we get a palindrome (323120141021323).

The spelling of 211010021011211 in words is "two hundred eleven trillion, ten billion, twenty-one million, eleven thousand, two hundred eleven".