211010020211111 has 16 divisors (see below), whose sum is σ = 234211076944128. Its totient is φ = 188492964528000.

The previous prime is 211010020211077. The next prime is 211010020211231. The reversal of 211010020211111 is 111112020010112.

It is not a de Polignac number, because 211010020211111 - 2⁴² = 206611973700007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211010020214111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 356698715 + ... + 357289788.

It is an arithmetic number, because the mean of its divisors is an integer number (14638192309008).

Almost surely, 2^{211010020211111} is an apocalyptic number.

211010020211111 is a deficient number, since it is larger than the sum of its proper divisors (23201056733017).

211010020211111 is a wasteful number, since it uses less digits than its factorization.

211010020211111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 713988982.

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

Adding to 211010020211111 its reverse (111112020010112), we get a palindrome (322122040221223).

The spelling of 211010020211111 in words is "two hundred eleven trillion, ten billion, twenty million, two hundred eleven thousand, one hundred eleven".