211112020101111 has 32 divisors (see below), whose sum is σ = 301664190366720. Its totient is φ = 130981675233024.

The previous prime is 211112020101089. The next prime is 211112020101121. The reversal of 211112020101111 is 111101020211112.

211112020101111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 211112020101111 - 2⁵ = 211112020101079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211112020101121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 171866131 + ... + 173090123.

It is an arithmetic number, because the mean of its divisors is an integer number (9427005948960).

Almost surely, 2^{211112020101111} is an apocalyptic number.

211112020101111 is a deficient number, since it is larger than the sum of its proper divisors (90552170265609).

211112020101111 is a wasteful number, since it uses less digits than its factorization.

211112020101111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1291615.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 211112020101111 its reverse (111101020211112), we get a palindrome (322213040312223).

The spelling of 211112020101111 in words is "two hundred eleven trillion, one hundred twelve billion, twenty million, one hundred one thousand, one hundred eleven".