22121332230300 has 144 divisors (see below), whose sum is σ = 67410028815360. Its totient is φ = 5585478888960.

The previous prime is 22121332230269. The next prime is 22121332230307. The reversal of 22121332230300 is 303223312122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22121332230307) 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, 9326664 + ... + 11455536.

Almost surely, 2^{22121332230300} is an apocalyptic number.

22121332230300 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 22121332230300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33705014407680).

22121332230300 is an abundant number, since it is smaller than the sum of its proper divisors (45288696585060).

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

22121332230300 is a wasteful number, since it uses less digits than its factorization.

22121332230300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2130732 (or 2130725 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 22121332230300 its reverse (303223312122), we get a palindrome (22424555542422).

The spelling of 22121332230300 in words is "twenty-two trillion, one hundred twenty-one billion, three hundred thirty-two million, two hundred thirty thousand, three hundred".