211110344134020 has 144 divisors (see below), whose sum is σ = 656353888339968. Its totient is φ = 54899391133440.

The previous prime is 211110344134009. The next prime is 211110344134021. The reversal of 211110344134020 is 20431443011112.

It is a happy number.

211110344134020 is a `hidden beast` number, since 2 + 111 + 103 + 4 + 41 + 3 + 402 + 0 = 666.

It is not an unprimeable number, because it can be changed into a prime (211110344134021) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 42699796 + ... + 47386635.

It is an arithmetic number, because the mean of its divisors is an integer number (4558013113472).

Almost surely, 2^{211110344134020} is an apocalyptic number.

211110344134020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211110344134020 is an abundant number, since it is smaller than the sum of its proper divisors (445243544205948).

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

211110344134020 is a wasteful number, since it uses less digits than its factorization.

211110344134020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90086770 (or 90086765 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

Adding to 211110344134020 its reverse (20431443011112), we get a palindrome (231541787145132).

The spelling of 211110344134020 in words is "two hundred eleven trillion, one hundred ten billion, three hundred forty-four million, one hundred thirty-four thousand, twenty".