21002201230014 has 96 divisors (see below), whose sum is σ = 48272235897600. Its totient is φ = 6580714458240.

The previous prime is 21002201230013. The next prime is 21002201230037. The reversal of 21002201230014 is 41003210220012.

It is a happy number.

21002201230014 is a `hidden beast` number, since 210 + 0 + 220 + 1 + 230 + 0 + 1 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21002201230013) 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, 360134122 + ... + 360192434.

It is an arithmetic number, because the mean of its divisors is an integer number (502835790600).

Almost surely, 2^{21002201230014} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 21002201230014, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24136117948800).

21002201230014 is an abundant number, since it is smaller than the sum of its proper divisors (27270034667586).

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

21002201230014 is a wasteful number, since it uses less digits than its factorization.

21002201230014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66510 (or 66507 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 21002201230014 its reverse (41003210220012), we get a palindrome (62005411450026).

The spelling of 21002201230014 in words is "twenty-one trillion, two billion, two hundred one million, two hundred thirty thousand, fourteen".