211112011011 has 16 divisors (see below), whose sum is σ = 307094116608. Its totient is φ = 127937464800.

The previous prime is 211112010997. The next prime is 211112011021. The reversal of 211112011011 is 110110211112.

It is not a de Polignac number, because 211112011011 - 2⁶ = 211112010947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (211112011021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 250210 + ... + 696296.

It is an arithmetic number, because the mean of its divisors is an integer number (19193382288).

Almost surely, 2^211112011011 is an apocalyptic number.

211112011011 is a deficient number, since it is larger than the sum of its proper divisors (95982105597).

211112011011 is a wasteful number, since it uses less digits than its factorization.

211112011011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460442.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 211112011011 its reverse (110110211112), we get a palindrome (321222222123).

The spelling of 211112011011 in words is "two hundred eleven billion, one hundred twelve million, eleven thousand, eleven".