21023322102300 has 288 divisors, whose sum is σ = 71202030000640. Its totient is φ = 4690178380800.

The previous prime is 21023322102287. The next prime is 21023322102301. The reversal of 21023322102300 is 320122332012.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21023322102301) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 14650890 + ... + 16021710.

Almost surely, 2^{21023322102300} is an apocalyptic number.

21023322102300 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 21023322102300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35601015000320).

21023322102300 is an abundant number, since it is smaller than the sum of its proper divisors (50178707898340).

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

21023322102300 is a wasteful number, since it uses less digits than its factorization.

21023322102300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1371021 (or 1371014 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 21023322102300 its reverse (320122332012), we get a palindrome (21343444434312).

The spelling of 21023322102300 in words is "twenty-one trillion, twenty-three billion, three hundred twenty-two million, one hundred two thousand, three hundred".