211112113210 has 16 divisors (see below), whose sum is σ = 382775542056. Its totient is φ = 83828459008.

The previous prime is 211112113111. The next prime is 211112113273. The reversal of 211112113210 is 12311211112.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 208846258009 + 2265855201 = 456997^2 + 47601^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77046847 + ... + 77049586.

Almost surely, 2^211112113210 is an apocalyptic number.

211112113210 is a deficient number, since it is larger than the sum of its proper divisors (171663428846).

211112113210 is a wasteful number, since it uses less digits than its factorization.

211112113210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154096577.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 211112113210 its reverse (12311211112), we get a palindrome (223423324322).

The spelling of 211112113210 in words is "two hundred eleven billion, one hundred twelve million, one hundred thirteen thousand, two hundred ten".