110212102212138 has 24 divisors (see below), whose sum is σ = 238799528381700. Its totient is φ = 36736345826304.

The previous prime is 110212102212041. The next prime is 110212102212139. The reversal of 110212102212138 is 831212201212011.

110212102212138 is a `hidden beast` number, since 1 + 1 + 0 + 212 + 10 + 221 + 213 + 8 = 666.

110212102212138 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 72459642856329 + 37752459355809 = 8512323^2 + 6144303^2 .

It is not an unprimeable number, because it can be changed into a prime (110212102212139) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 84466053 + ... + 85760936.

Almost surely, 2^{110212102212138} is an apocalyptic number.

110212102212138 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

110212102212138 is an abundant number, since it is smaller than the sum of its proper divisors (128587426169562).

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

110212102212138 is a wasteful number, since it uses less digits than its factorization.

110212102212138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170262966 (or 170262963 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 27.

Adding to 110212102212138 its reverse (831212201212011), we get a palindrome (941424303424149).

The spelling of 110212102212138 in words is "one hundred ten trillion, two hundred twelve billion, one hundred two million, two hundred twelve thousand, one hundred thirty-eight".