21012414110 has 32 divisors (see below), whose sum is σ = 39074400000. Its totient is φ = 8127175680.

The previous prime is 21012414109. The next prime is 21012414119. The reversal of 21012414110 is 1141421012.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21012414119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 360056 + ... + 414324.

It is an arithmetic number, because the mean of its divisors is an integer number (1221075000).

Almost surely, 2^21012414110 is an apocalyptic number.

21012414110 is a deficient number, since it is larger than the sum of its proper divisors (18061985890).

21012414110 is a wasteful number, since it uses less digits than its factorization.

21012414110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55556.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 21012414110 its reverse (1141421012), we get a palindrome (22153835122).

The spelling of 21012414110 in words is "twenty-one billion, twelve million, four hundred fourteen thousand, one hundred ten".