21441021114112 has 36 divisors (see below), whose sum is σ = 43081720689616. Its totient is φ = 10649513779200.

The previous prime is 21441021114077. The next prime is 21441021114113. The reversal of 21441021114112 is 21141112014412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21441021114113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 277292433 + ... + 277369744.

Almost surely, 2^{21441021114112} is an apocalyptic number.

It is an amenable number.

21441021114112 is an abundant number, since it is smaller than the sum of its proper divisors (21640699575504).

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

21441021114112 is an equidigital number, since it uses as much as digits as its factorization.

21441021114112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554662344 (or 554662330 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 25.

Adding to 21441021114112 its reverse (21141112014412), we get a palindrome (42582133128524).

The spelling of 21441021114112 in words is "twenty-one trillion, four hundred forty-one billion, twenty-one million, one hundred fourteen thousand, one hundred twelve".