21441410443100 has 72 divisors (see below), whose sum is σ = 46811421877248. Its totient is φ = 8524305707200.

The previous prime is 21441410443073. The next prime is 21441410443133. The reversal of 21441410443100 is 134401414412.

It is a happy number.

It is a super-2 number, since 2×21441410443100² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 170661305 + ... + 170786895.

It is an arithmetic number, because the mean of its divisors is an integer number (650158637184).

Almost surely, 2^{21441410443100} is an apocalyptic number.

21441410443100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 21441410443100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23405710938624).

21441410443100 is an abundant number, since it is smaller than the sum of its proper divisors (25370011434148).

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

21441410443100 is a wasteful number, since it uses less digits than its factorization.

21441410443100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135995 (or 135988 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 29.

Adding to 21441410443100 its reverse (134401414412), we get a palindrome (21575811857512).

The spelling of 21441410443100 in words is "twenty-one trillion, four hundred forty-one billion, four hundred ten million, four hundred forty-three thousand, one hundred".