21214026550002 has 384 divisors, whose sum is σ = 55757446633728. Its totient is φ = 5285689344000.

The previous prime is 21214026549979. The next prime is 21214026550033. The reversal of 21214026550002 is 20005562041212.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 9483247228 + ... + 9483249464.

It is an arithmetic number, because the mean of its divisors is an integer number (145201683942).

Almost surely, 2^{21214026550002} is an apocalyptic number.

21214026550002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 21214026550002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27878723316864).

21214026550002 is an abundant number, since it is smaller than the sum of its proper divisors (34543420083726).

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

21214026550002 is a wasteful number, since it uses less digits than its factorization.

21214026550002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4122 (or 4103 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 21214026550002 its reverse (20005562041212), we get a palindrome (41219588591214).

The spelling of 21214026550002 in words is "twenty-one trillion, two hundred fourteen billion, twenty-six million, five hundred fifty thousand, two".