21102323103000 has 288 divisors, whose sum is σ = 72514411894080. Its totient is φ = 5535026784000.

The previous prime is 21102323102983. The next prime is 21102323103023. The reversal of 21102323103000 is 30132320112.

21102323103000 is a `hidden beast` number, since 2 + 110 + 23 + 231 + 0 + 300 + 0 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 33173937 + ... + 33804063.

It is an arithmetic number, because the mean of its divisors is an integer number (251786152410).

Almost surely, 2^{21102323103000} is an apocalyptic number.

21102323103000 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 21102323103000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36257205947040).

21102323103000 is an abundant number, since it is smaller than the sum of its proper divisors (51412088791080).

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

21102323103000 is a wasteful number, since it uses less digits than its factorization.

21102323103000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630276 (or 630198 counting only the distinct ones).

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

Adding to 21102323103000 its reverse (30132320112), we get a palindrome (21132455423112).

The spelling of 21102323103000 in words is "twenty-one trillion, one hundred two billion, three hundred twenty-three million, one hundred three thousand".