211112112010120 has 32 divisors (see below), whose sum is σ = 475002689690520. Its totient is φ = 84444766996480.

The previous prime is 211112112010087. The next prime is 211112112010139. The reversal of 211112112010120 is 21010211211112.

It can be written as a sum of positive squares in 4 ways, for example, as 166650181401636 + 44461930608484 = 12909306^2 + 6667978^2 .

It is a junction number, because it is equal to n+sod(n) for n = 211112112010094 and 211112112010103.

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 7 ways as a sum of consecutive naturals, for example, 63787674 + ... + 67015606.

Almost surely, 2^{211112112010120} is an apocalyptic number.

211112112010120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211112112010120 is an abundant number, since it is smaller than the sum of its proper divisors (263890577680400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211112112010120 is a wasteful number, since it uses less digits than its factorization.

211112112010120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4862985 (or 4862981 counting only the distinct ones).

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

Adding to 211112112010120 its reverse (21010211211112), we get a palindrome (232122323221232).

The spelling of 211112112010120 in words is "two hundred eleven trillion, one hundred twelve billion, one hundred twelve million, ten thousand, one hundred twenty".