21102313230000 has 300 divisors, whose sum is σ = 75792385585488. Its totient is φ = 5475193920000.

The previous prime is 21102313229999. The next prime is 21102313230017. The reversal of 21102313230000 is 3231320112.

21102313230000 is a `hidden beast` number, since 2 + 110 + 231 + 323 + 0 + 0 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (300).

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

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 161485 + ... + 6498515.

Almost surely, 2^{21102313230000} is an apocalyptic number.

21102313230000 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 21102313230000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37896192792744).

21102313230000 is an abundant number, since it is smaller than the sum of its proper divisors (54690072355488).

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

21102313230000 is a wasteful number, since it uses less digits than its factorization.

21102313230000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6337102 (or 6337078 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 21102313230000 its reverse (3231320112), we get a palindrome (21105544550112).

The spelling of 21102313230000 in words is "twenty-one trillion, one hundred two billion, three hundred thirteen million, two hundred thirty thousand".