211112220101110 has 64 divisors (see below), whose sum is σ = 387614876185152. Its totient is φ = 82756811943936.

The previous prime is 211112220101077. The next prime is 211112220101129. The reversal of 211112220101110 is 11101022211112.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3425614117 + ... + 3425675743.

It is an arithmetic number, because the mean of its divisors is an integer number (6056482440393).

Almost surely, 2^{211112220101110} is an apocalyptic number.

211112220101110 is a deficient number, since it is larger than the sum of its proper divisors (176502656084042).

211112220101110 is a wasteful number, since it uses less digits than its factorization.

211112220101110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68977.

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 211112220101110 its reverse (11101022211112), we get a palindrome (222213242312222).

The spelling of 211112220101110 in words is "two hundred eleven trillion, one hundred twelve billion, two hundred twenty million, one hundred one thousand, one hundred ten".